Tag: treatmentDelays

News

07/27/25

Extended delays before surgery can result in tumor growth and upstaging

02/04/24

Delay in chemotherapy for TN breast cancer can influence survival

07/03/21

Delay in completing initial BC treatment can reduce survival

03/31/18

Ideal time between surgery & radiotherapy after neoadjuvant chemo

05/01/16

Six-month delay in starting trastuzumab linked to reduced survival

12/20/11

Norway & UK survival differences show need for swift, appropriate care

08/29/10

African-American and Latina women more likely to start chemo late

03/04/10

Delay in radiotherapy increases risk of local recurrence

Studies

• Breast Cancer Upstaging Risk and In Vivo Tumor Growth Rates Associated with Preoperative Delays Cite
  Bleicher RJ, Ruth KJ, Williams AD, Ross EA, Porpiglia AS, Aggon AA, et al. Breast Cancer Upstaging Risk and In Vivo Tumor Growth Rates Associated with Preoperative Delays. Annals of Surgical Oncology. Springer Science and Business Media LLC; 2025; 10.1245/s10434-025-17867-9
• Patient-attributable delay and its impact on two-year survival in breast cancer: A multicenter prospective cohort study Cite
  Martín-García D, García-Aranda M, Varela-Moreno E, Padilla-Ruiz M, Zarcos-Pedrinaci I, Rivas-Ruiz F, et al. Patient-attributable delay and its impact on two-year survival in breast cancer: A multicenter prospective cohort study. European Journal of Surgical Oncology. Elsevier BV; 2025; 51:110280 10.1016/j.ejso.2025.110280
• Prognostic Significance of Delays in Initiation of Adjuvant Trastuzumab-Based Therapy in Patients with HER2-Positive Breast Cancer Cite
  Dowling GP, Hegarty A, Daly GR, Hembrecht S, Hehir CM, Calpin GG, et al. Prognostic Significance of Delays in Initiation of Adjuvant Trastuzumab-Based Therapy in Patients with HER2-Positive Breast Cancer. Biomedicines. MDPI AG; 2025; 13:1305 10.3390/biomedicines13061305
• Prolonged time to breast cancer surgery and the risk of metastasis: an explorative simulation analysis using epidemiological data from Germany and the USA Cite
  Hölzel D, Schlesinger-Raab A, Schubert-Fritschle G, Halfter K. Prolonged time to breast cancer surgery and the risk of metastasis: an explorative simulation analysis using epidemiological data from Germany and the USA. Breast Cancer Research and Treatment. Springer Science and Business Media LLC; 2025; 10.1007/s10549-025-07630-9
• Surgical delay-associated mortality risk varies by subtype in loco-regional breast cancer patients in SEER-Medicare Cite
  Leslie Salewon M, Pathak R, Dooley WC, Squires RA, Rui H, Chervoneva I, et al. Surgical delay-associated mortality risk varies by subtype in loco-regional breast cancer patients in SEER-Medicare. Breast Cancer Research. Springer Science and Business Media LLC; 2024; 26 10.1186/s13058-024-01949-9
• Breast cancer treatment delay and the Hispanic paradox: A SEER database analysis Cite
  Roldan-Vasquez E, Mitri S, Brantley KD, James TA, Schlam I. Breast cancer treatment delay and the Hispanic paradox: A SEER database analysis. The American Journal of Surgery. Elsevier BV; 2025; 244:116135 10.1016/j.amjsurg.2024.116135
• Surgical delay-associated mortality risk varies by subtype in loco-regional breast cancer patients in SEER-Medicare Cite
  Leslie Salewon M, Pathak R, Dooley WC, Squires RA, Rui H, Chervoneva I, et al. Surgical delay-associated mortality risk varies by subtype in loco-regional breast cancer patients in SEER-Medicare. Breast Cancer Research. Springer Science and Business Media LLC; 2024; 26 10.1186/s13058-024-01949-9
• The influence of treatment intervals on prognosis in young breast cancer patients: Insights from the French National cohort Cite
  Laas E, Dumas E, Hamy A, Gaillard T, Gougis P, Reyal F, et al. The influence of treatment intervals on prognosis in young breast cancer patients: Insights from the French National cohort. European Journal of Surgical Oncology. Elsevier BV; 2025; 51:109373 10.1016/j.ejso.2024.109373
• Are there differences in overall survival among older breast cancer patients by race and ethnicity? Cite
  Cobb AN, Rogers C, Dong X, Huang C, Kong AL, Cortina CS. Are there differences in overall survival among older breast cancer patients by race and ethnicity?. Surgery. Elsevier BV; 2024; 10.1016/j.surg.2024.06.085
• The impact of inter-cycle treatment delays on 5-year all-cause mortality in early-stage breast cancer: A retrospective cohort study Cite
  Steventon L, Kipps E, Man KK, Roylance R, Forster MD, Wong IC, et al. The impact of inter-cycle treatment delays on 5-year all-cause mortality in early-stage breast cancer: A retrospective cohort study. European Journal of Cancer. Elsevier BV; 2024; 210:114301 10.1016/j.ejca.2024.114301
• Disparities in Timely Surgery among Asian American Women with Breast Cancer Cite
  Chen Y, Chen Y, Chang DC, Oseni TO. Disparities in Timely Surgery among Asian American Women with Breast Cancer. The American Journal of Surgery. Elsevier BV; 2024;:115928 10.1016/j.amjsurg.2024.115928
• Structural Racism and Treatment Delay Among Black and White Patients With Breast Cancer Cite
  Reeder-Hayes KE, Jackson BE, Kuo T, Baggett CD, Yanguela J, LeBlanc MR, et al. Structural Racism and Treatment Delay Among Black and White Patients With Breast Cancer. Journal of Clinical Oncology. American Society of Clinical Oncology (ASCO); 2024; 10.1200/jco.23.02483
• Longitudinal Increases in Time to Surgery for Patients with Breast Cancer: A National Cohort Study Cite
  Tortorello GN, Shafique N, Keele L, Susman CG, Dheer A, Fayanju OM, et al. Longitudinal Increases in Time to Surgery for Patients with Breast Cancer: A National Cohort Study. Annals of Surgical Oncology. Springer Science and Business Media LLC; 2024; 10.1245/s10434-024-15723-w
• Timeliness of breast cancer care: Real-world experience at a tertiary care and a public safety-net hospital. Cite
  Jeong ISD, Spector K, Yu T, Cain N, Sheshebor N, Yaghmai N, et al. Timeliness of breast cancer care: Real-world experience at a tertiary care and a public safety-net hospital.. Journal of Clinical Oncology. American Society of Clinical Oncology (ASCO); 2024; 42:e13712-e13712 10.1200/jco.2024.42.16_suppl.e13712
• Abstract PS18-07: Trends in Guideline Concordant Care for Inflammatory Breast Cancer: An analysis of the National Cancer Database Cite
  Diskin B, Tadros A, Sevilimedu V, Xu A, Vingan P, Nelson J, et al. Abstract PS18-07: Trends in Guideline Concordant Care for Inflammatory Breast Cancer: An analysis of the National Cancer Database. Cancer Research. American Association for Cancer Research (AACR); 2024; 84:PS18-07-PS18-07 10.1158/1538-7445.sabcs23-ps18-07
• Abstract 5534: Needle biopsy induces pro-metastatic progression and systemic dissemination of estrogen receptor-positive breast cancer cells through the COX-2/PGE2 cascade Cite
  Kameyama H, Leslie M, Simmons R, Sun Y, Yi M, Dondapati P, et al. Abstract 5534: Needle biopsy induces pro-metastatic progression and systemic dissemination of estrogen receptor-positive breast cancer cells through the COX-2/PGE2 cascade. Cancer Research. American Association for Cancer Research (AACR); 2024; 84:5534-5534 10.1158/1538-7445.am2024-5534
• Clinical impact of delaying initiation of adjuvant chemotherapy in patients with early triple negative breast cancer Cite
  Hatzipanagiotou ME, Pigerl M, Gerken M, Räpple S, Zeltner V, Hetterich M, et al. Clinical impact of delaying initiation of adjuvant chemotherapy in patients with early triple negative breast cancer. Breast Cancer Research and Treatment. Springer Science and Business Media LLC; 2024; 10.1007/s10549-023-07207-4
• Needle biopsy accelerates pro-metastatic changes and systemic dissemination in breast cancer: Implications for mortality by surgery delay Cite
  Kameyama H, Dondapati P, Simmons R, Leslie M, Langenheim JF, Sun Y, et al. Needle biopsy accelerates pro-metastatic changes and systemic dissemination in breast cancer: Implications for mortality by surgery delay. Cell Reports Medicine. Elsevier BV; 2023; 4:101330 10.1016/j.xcrm.2023.101330
• Abstract B048: Disparities in treatment course and outcomes in females diagnosed with non-metastatic inflammatory breast cancer Cite
  Lung K, Sheng Y, George B, Willis A, Lazar M. Abstract B048: Disparities in treatment course and outcomes in females diagnosed with non-metastatic inflammatory breast cancer. Cancer Epidemiology, Biomarkers & Prevention. American Association for Cancer Research (AACR); 2023; 32:B048-B048 10.1158/1538-7755.disp23-b048
• Association of Race, Ethnicity, Language, and Insurance with Time to Treatment Initiation Among Women with Breast Cancer at an Urban, Academic, Safety-Net Hospital Cite
  Beaulieu-Jones BR, Ha EJ, Fefferman A, Wang J, Chung SH, Tseng JF, et al. Association of Race, Ethnicity, Language, and Insurance with Time to Treatment Initiation Among Women with Breast Cancer at an Urban, Academic, Safety-Net Hospital. Annals of Surgical Oncology. Springer Science and Business Media LLC; 2023; 10.1245/s10434-023-14612-y
• Effect of Treatment Interruptions on Overall Survival in Patients with Triple Negative Breast Cancer Cite
  Chow R, Hasan S, Choi JI, Fox J, Chhabra AM, Marshall DC, et al. Effect of Treatment Interruptions on Overall Survival in Patients with Triple Negative Breast Cancer. JNCI: Journal of the National Cancer Institute. Oxford University Press (OUP); 2023; 10.1093/jnci/djad127
• Increased breast cancer mortality due to treatment delay and needle biopsy type: a retrospective analysis of SEER-medicare Cite
  Pathak R, Leslie M, Dondapati P, Davis R, Tanaka K, Jett E, et al. Increased breast cancer mortality due to treatment delay and needle biopsy type: a retrospective analysis of SEER-medicare. Breast Cancer. Springer Science and Business Media LLC; 2023; 10.1007/s12282-023-01456-3
• Racial/ethnic and socioeconomic differences in breast cancer surgery performed and delayed treatment: mediating impact on mortality Cite
  Fwelo P, Nwosu KOS, Adekunle TE, Afolayan O, Ahaiwe O, Ojaruega AA, et al. Racial/ethnic and socioeconomic differences in breast cancer surgery performed and delayed treatment: mediating impact on mortality. Breast Cancer Research and Treatment. Springer Science and Business Media LLC; 2023; 10.1007/s10549-023-06941-z
• Delayed adjuvant endocrine therapy is associated with decreased recurrence-free survival following neoadjuvant chemotherapy for breast cancer Cite
  Sutton TL, Patel R, Behrens S, Schwantes I, Fewel C, Gardiner SK, et al. Delayed adjuvant endocrine therapy is associated with decreased recurrence-free survival following neoadjuvant chemotherapy for breast cancer. The American Journal of Surgery. Elsevier BV; 2023; 10.1016/j.amjsurg.2023.02.020
• Disparities in Time to Treatment for Breast Cancer Cite
  SUKNIAM K, KASBI AA, ALI M, POPP K, ATTWOOD K, GEORGE A, et al. Disparities in Time to Treatment for Breast Cancer. Anticancer Research. Anticancer Research USA Inc.; 2022; 42:5813-5818 10.21873/anticanres.16088
• An appropriate treatment interval does not affect the prognosis of patients with breast Cancer Cite
  Gao W, Wang J, Yin S, Geng C, Xu B. An appropriate treatment interval does not affect the prognosis of patients with breast Cancer. Holistic Integrative Oncology. Springer Science and Business Media LLC; 2022; 1 10.1007/s44178-022-00010-z
• Factors Mediating Racial/Ethnic Disparities in Delayed Treatment of Breast Cancer Cite
  Schermerhorn MC, Grunvald MW, O’Donoghue CM, Rao RD, Becerra AZ. Factors Mediating Racial/Ethnic Disparities in Delayed Treatment of Breast Cancer. Annals of Surgical Oncology. Springer Science and Business Media LLC; 2022; 10.1245/s10434-022-12001-5
• Disaggregation of Asian American and Pacific Islander Women With Stage 0-II Breast Cancer Unmasks Disparities in Survival and Surgery-to-Radiation Intervals: A National Cancer Database Analysis From 2004 to 2017 Cite
  Taparra K, Dee EC, Dao D, Patel R, Santos P, Chino F. Disaggregation of Asian American and Pacific Islander Women With Stage 0-II Breast Cancer Unmasks Disparities in Survival and Surgery-to-Radiation Intervals: A National Cancer Database Analysis From 2004 to 2017. JCO Oncology Practice. American Society of Clinical Oncology (ASCO); 2022; 10.1200/op.22.00001
• Association of Adjuvant Hormone Therapy Timing With Overall Survival Among Patients With Hormone Receptor–Positive Human Epidermal Growth Factor Receptor-2–Negative Early Breast Cancer Without Chemotherapy Cite
  Fu F, Yu L, Zeng B, Chen M, Guo W, Chen L, et al. Association of Adjuvant Hormone Therapy Timing With Overall Survival Among Patients With Hormone Receptor–Positive Human Epidermal Growth Factor Receptor-2–Negative Early Breast Cancer Without Chemotherapy. JAMA Network Open. American Medical Association (AMA); 2022; 5:e2145934 10.1001/jamanetworkopen.2021.45934
• Disparities in timely treatment among young women with breast cancer Cite
  Jain U, Jain B, Fayanju OM, Chino F, Dee EC. Disparities in timely treatment among young women with breast cancer. The American Journal of Surgery. Elsevier BV; 2022; 10.1016/j.amjsurg.2022.01.019
• Asian Ethnic Subgroup Disparities in Delays of Surgical Treatment for Breast Cancer Cite
  Navarro S, Yang Y, Ochoa CY, Mejia A, Kim SE, Liu L, et al. Asian Ethnic Subgroup Disparities in Delays of Surgical Treatment for Breast Cancer. JNCI Cancer Spectrum. Oxford University Press (OUP); 2021; 10.1093/jncics/pkab089
• Young Women with Breast Cancer: Chemotherapy or Surgery First? An Evaluation of Time to Treatment for Invasive Breast Cancer Cite
  Guay E, Cordeiro E, Roberts A. Young Women with Breast Cancer: Chemotherapy or Surgery First? An Evaluation of Time to Treatment for Invasive Breast Cancer. Annals of Surgical Oncology. Springer Science and Business Media LLC; 2021; 10.1245/s10434-021-11102-x
• Factors Affecting Time to Surgery in Breast Cancer Patients Cite
  Chagpar AB, Howard-McNatt M, Chiba A, Levine EA, Gass JS, Gallagher K, et al. Factors Affecting Time to Surgery in Breast Cancer Patients. The American Surgeon. SAGE Publications; 2021;:000313482110547 10.1177/00031348211054714
• Delay in Initiating Postmastectomy Radiotherapy is Associated With Inferior Clinical Oncologic Outcomes for High-Risk Breast Cancer Cite
  Chen S, Sun G, Wang S, Fang H, Song Y, Jin J, et al. Delay in Initiating Postmastectomy Radiotherapy is Associated With Inferior Clinical Oncologic Outcomes for High-Risk Breast Cancer. International Journal of Radiation Oncology*Biology*Physics. Elsevier BV; 2021; 111:S36-S37 10.1016/j.ijrobp.2021.07.108
• Defer surgery in operable breast cancer: how long is too long? Cite
  Roberts S, Rojas A, DiRaimo G, Orlando M, Gachabayov M, Castaldi M. Defer surgery in operable breast cancer: how long is too long?. Breast Cancer. Springer Science and Business Media LLC; 2021; 10.1007/s12282-021-01302-4
• Asian American ethnic subgroup disparities in time to surgical treatment for breast cancer in the California Cancer Registry. Cite
  Navarro S, Yang Y, Ochoa C, Mejia A, Kim S, Liu L, et al. Asian American ethnic subgroup disparities in time to surgical treatment for breast cancer in the California Cancer Registry.. Journal of Clinical Oncology. American Society of Clinical Oncology (ASCO); 2021; 39:101-101 10.1200/jco.2020.39.28_suppl.101
• Evaluation of overall survival and barriers to surgery for patients with breast cancer treated without surgery: a National Cancer Database analysis Cite
  Boyce-Fappiano D, Bedrosian I, Shen Y, Lin H, Gjyshi O, Yoder A, et al. Evaluation of overall survival and barriers to surgery for patients with breast cancer treated without surgery: a National Cancer Database analysis. npj Breast Cancer. Springer Science and Business Media LLC; 2021; 7 10.1038/s41523-021-00294-w
• Factors Associated With Breast Cancer Surgery Delay Within a Coordinated Multihospital Community Health System: When Does Surgical Delay Impact Outcome? Cite
  Tjoe JA, Heslin K, Perez Moreno AC, Thomas S, Kram JJ. Factors Associated With Breast Cancer Surgery Delay Within a Coordinated Multihospital Community Health System: When Does Surgical Delay Impact Outcome?. Clinical Breast Cancer. Elsevier BV; 2021; 10.1016/j.clbc.2021.04.012
• Prolonged Time from Diagnosis to Breast-Conserving Surgery is Associated with Upstaging in Hormone Receptor-Positive Invasive Ductal Breast Carcinoma Cite
  Hills N, Leslie M, Davis R, Crowell M, Kameyama H, Rui H, et al. Prolonged Time from Diagnosis to Breast-Conserving Surgery is Associated with Upstaging in Hormone Receptor-Positive Invasive Ductal Breast Carcinoma. Annals of Surgical Oncology. Springer Science and Business Media LLC; 2021; 10.1245/s10434-021-09747-9
• Race/Ethnicity, Delay of Adjuvant Chemotherapy Initiation Following Breast Cancer Surgery and Associated Patient Survival: An Analysis of the United States National Cancer Database 2004-2016 Cite
  Desai RP, Narayan A, Hsiao S, Balkrishnan R. Race/Ethnicity, Delay of Adjuvant Chemotherapy Initiation Following Breast Cancer Surgery and Associated Patient Survival: An Analysis of the United States National Cancer Database 2004-2016. Research Square; 2021; 10.21203/rs.3.rs-289142/v1
• Optimal timing of surgery following breast cancer neoadjuvant chemotherapy: A systematic review and meta-analysis Cite
  Cullinane C, Shrestha A, Al Maksoud A, Rothwell J, Evoy D, Geraghty J, et al. Optimal timing of surgery following breast cancer neoadjuvant chemotherapy: A systematic review and meta-analysis. European Journal of Surgical Oncology. Elsevier BV; 2021; 10.1016/j.ejso.2021.01.025
• Breast cancer progression when definitive surgery is delayed Cite
  Alaidy Z, Mohamed A, Euhus D. Breast cancer progression when definitive surgery is delayed. The Breast Journal. Wiley; 2021; 10.1111/tbj.14177
• Racial Disparities and Diagnosis-to-Treatment Time Among Patients Diagnosed with Breast Cancer in South Carolina Cite
  Babatunde OA, Eberth JM, Felder TM, Moran R, Hughes-Halbert C, Truman S, et al. Racial Disparities and Diagnosis-to-Treatment Time Among Patients Diagnosed with Breast Cancer in South Carolina. Journal of Racial and Ethnic Health Disparities. Springer Science and Business Media LLC; 2021; 10.1007/s40615-020-00935-z
• Delay in surgery is associated with axillary upstaging of clinically node negative breast cancer patients Cite
  Khader A, Chang S, Santamaria‐Barria J, Garland‐Kledzik M, Scholer A, Goldfarb M, et al. Delay in surgery is associated with axillary upstaging of clinically node negative breast cancer patients. Journal of Surgical Oncology. Wiley; 2020; 10.1002/jso.26332
• Time to surgery among women treated with neoadjuvant systemic therapy and upfront surgery for breast cancer Cite
  Prakash I, Thomas SM, Greenup RA, Plichta JK, Rosenberger LH, Hyslop T, et al. Time to surgery among women treated with neoadjuvant systemic therapy and upfront surgery for breast cancer. Breast Cancer Research and Treatment. Springer Science and Business Media LLC; 2020; 10.1007/s10549-020-06012-7
• Impact of wait time from neoadjuvant chemotherapy to surgery in breast cancer: Does time to surgery affect patient outcomes? Cite
  Lai V, Hajjaj O, Le D, Shokoohi A, Chia S, Simmons C. Impact of wait time from neoadjuvant chemotherapy to surgery in breast cancer: Does time to surgery affect patient outcomes?. Breast Cancer Research and Treatment. Springer Science and Business Media LLC; 2020; 184:755-762 10.1007/s10549-020-05894-x
• How Does the Interval Between Completion of Adjuvant Chemotherapy and Initiation of Radiotherapy Impact Clinical Outcomes in Operable Breast Cancer Patients? Cite
  Cao L, Xu C, Cai G, Qi W, Cai R, Wang S, et al. How Does the Interval Between Completion of Adjuvant Chemotherapy and Initiation of Radiotherapy Impact Clinical Outcomes in Operable Breast Cancer Patients?. Annals of Surgical Oncology. Springer Science and Business Media LLC; 2020; 10.1245/s10434-020-09026-z
• Effect of delays in initiation of adjuvant endocrine therapy on survival among women with breast cancer Cite
  Lee KT, Jacobs L, Walsh EM, Stearns V, Segal JB. Effect of delays in initiation of adjuvant endocrine therapy on survival among women with breast cancer. Breast Cancer Research and Treatment. Springer Science and Business Media LLC; 2020; 184:965-975 10.1007/s10549-020-05910-0
• The impact on clinical outcomes of post-operative radiation therapy delay after neoadjuvant chemotherapy in patients with breast cancer: A multicentric international study Cite
  Marta GN, AlBeesh R, Pereira AAL, Oliveira LJ, Mano MS, Hijal T. The impact on clinical outcomes of post-operative radiation therapy delay after neoadjuvant chemotherapy in patients with breast cancer: A multicentric international study. The Breast. Elsevier BV; 2020; 54:46-51 10.1016/j.breast.2020.08.013
• Association Between Time to Operation and Pathologic Stage in Ductal Carcinoma in Situ and Early-Stage Hormone Receptor-Positive Breast Cancer Cite
  Minami CA, Kantor O, Weiss A, Nakhlis F, King TA, Mittendorf EA. Association Between Time to Operation and Pathologic Stage in Ductal Carcinoma in Situ and Early-Stage Hormone Receptor-Positive Breast Cancer. Journal of the American College of Surgeons. Elsevier BV; 2020; 231:434-447.e2 10.1016/j.jamcollsurg.2020.06.021
• Impact of Delayed Neoadjuvant Systemic Chemotherapy on Overall Survival Among Patients with Breast Cancer Cite
  Melo Gagliato D, Lei X, Giordano SH, Valero V, Barcenas CH, Hortobagyi GN, et al. Impact of Delayed Neoadjuvant Systemic Chemotherapy on Overall Survival Among Patients with Breast Cancer. The Oncologist. Wiley; 2020; 25:749-757 10.1634/theoncologist.2019-0744
• Abstract C045: Outcomes of hormone-receptor positive, HER2-negative breast cancers by race and tumor biologic features Cite
  Earp HS, Olshan AF, Carey LA, Perou CM, Troester MA, Benefield HC, et al. Abstract C045: Outcomes of hormone-receptor positive, HER2-negative breast cancers by race and tumor biologic features. Poster Presentations - Proffered Abstracts. American Association for Cancer Research; 2020; 10.1158/1538-7755.disp19-c045
• Delayed breast cancer diagnosis after repeated recall at biennial screening mammography: an observational follow-up study from the Netherlands Cite
  Lameijer JRC, Voogd AC, Pijnappel RM, Setz-Pels W, Broeders MJ, Tjan-Heijnen VCG, et al. Delayed breast cancer diagnosis after repeated recall at biennial screening mammography: an observational follow-up study from the Netherlands. British Journal of Cancer. Springer Science and Business Media LLC; 2020; 123:325-332 10.1038/s41416-020-0870-2
• Prolonged Time to Adjuvant Chemotherapy Initiation Was Associated with Worse Disease Outcome in Triple Negative Breast Cancer Patients Cite
  Cai L, Tong Y, Zhu X, Shen K, Zhu J, Chen X. Prolonged Time to Adjuvant Chemotherapy Initiation Was Associated with Worse Disease Outcome in Triple Negative Breast Cancer Patients. Scientific Reports. Springer Science and Business Media LLC; 2020; 10 10.1038/s41598-020-64005-4
• Recommendations for prioritization, treatment, and triage of breast cancer patients during the COVID-19 pandemic. the COVID-19 pandemic breast cancer consortium Cite
  Dietz JR, Moran MS, Isakoff SJ, Kurtzman SH, Willey SC, Burstein HJ, et al. Recommendations for prioritization, treatment, and triage of breast cancer patients during the COVID-19 pandemic. the COVID-19 pandemic breast cancer consortium. Breast Cancer Research and Treatment. Springer Science and Business Media LLC; 2020; 181:487-497 10.1007/s10549-020-05644-z
• The Waiting Game: How Long Are Breast Cancer Patients Waiting for Definitive Diagnosis? Cite
  Kovar A, Bronsert M, Jaiswal K, Murphy C, Wolverton D, Ahrendt G, et al. The Waiting Game: How Long Are Breast Cancer Patients Waiting for Definitive Diagnosis?. Annals of Surgical Oncology. Springer Science and Business Media LLC; 2020; 27:3641-3649 10.1245/s10434-020-08484-9
• The association of delay in curative intent treatment with survival among breast cancer patients: findings from the Women’s Health Initiative Cite
  Yung R, Ray RM, Roth J, Johnson L, Warnick G, Anderson GL, et al. The association of delay in curative intent treatment with survival among breast cancer patients: findings from the Women’s Health Initiative. Breast Cancer Research and Treatment. Springer Science and Business Media LLC; 2020; 180:747-757 10.1007/s10549-020-05572-y
• Impact of delayed treatment in women diagnosed with breast cancer: A population‐based study Cite
  Ho PJ, Cook AR, Binte Mohamed Ri NK, Liu J, Li J, Hartman M. Impact of delayed treatment in women diagnosed with breast cancer: A population‐based study. Cancer Medicine. Wiley; 2020; 9:2435-2444 10.1002/cam4.2830
• Racial/ethnic differences in patient experiences with health care in association with earlier stage at breast cancer diagnosis: findings from the SEER-CAHPS data Cite
  Farias AJ, Ochoa CY, Toledo G, Bang S, Hamilton AS, Du XL. Racial/ethnic differences in patient experiences with health care in association with earlier stage at breast cancer diagnosis: findings from the SEER-CAHPS data. Cancer Causes & Control. Springer Science and Business Media LLC; 2019; 31:13-23 10.1007/s10552-019-01254-3
• Does the Timing of Surgery after Neoadjuvant Therapy in Breast Cancer Patients Affect the Outcome? Cite
  Suleman K, Almalik O, Haque E, Mushtaq A, Badran A, Alsayed A, et al. Does the Timing of Surgery after Neoadjuvant Therapy in Breast Cancer Patients Affect the Outcome?. Oncology. S. Karger AG; 2020; 98:168-173 10.1159/000504964
• Impact of delayed neoadjuvant systemic chemotherapy on survival among breast cancer patients Cite
  Gregor MCM, Lei X, Gagliato D, Valero V, Barcenas C, Hortobagyi G, et al. Impact of delayed neoadjuvant systemic chemotherapy on survival among breast cancer patients. Annals of Oncology. Elsevier BV; 2019; 30:v71 10.1093/annonc/mdz240.035
• Preoperative Delays in the Treatment of DCIS and the Associated Incidence of Invasive Breast Cancer Cite
  Ward WH, DeMora L, Handorf E, Sigurdson ER, Ross EA, Daly JM, et al. Preoperative Delays in the Treatment of DCIS and the Associated Incidence of Invasive Breast Cancer. Annals of Surgical Oncology. Springer Science and Business Media LLC; 2019; 27:386-396 10.1245/s10434-019-07844-4
• Time to initiation of neo‐adjuvant chemotherapy for breast cancer treatment does not influence patient survival: A study of US breast cancer patients Cite
  Livingston‐Rosanoff D, Hanlon B, Marka N, Vande Walle K, Stankowski‐Drengler T, Schumacher J, et al. Time to initiation of neo‐adjuvant chemotherapy for breast cancer treatment does not influence patient survival: A study of US breast cancer patients. The Breast Journal. Wiley; 2019; 26:625-629 10.1111/tbj.13625
• Race and delays in breast cancer treatment across the care continuum in the Carolina Breast Cancer Study Cite
  Reeder‐Hayes KE, Mayer SE, Olshan AF, Wheeler SB, Carey LA, Tse C, et al. Race and delays in breast cancer treatment across the care continuum in the Carolina Breast Cancer Study. Cancer. Wiley; 2019; 125:3985-3992 10.1002/cncr.32378
• Time-to-surgery and overall survival after breast cancer diagnosis in a universal health system Cite
  Eaglehouse YL, Georg MW, Shriver CD, Zhu K. Time-to-surgery and overall survival after breast cancer diagnosis in a universal health system. Breast Cancer Research and Treatment. Springer Science and Business Media LLC; 2019; 178:441-450 10.1007/s10549-019-05404-8
• Effect of Surgery Type on Time to Adjuvant Chemotherapy and Impact of Delay on Breast Cancer Survival: A National Cancer Database Analysis Cite
  Kupstas AR, Hoskin TL, Day CN, Habermann EB, Boughey JC. Effect of Surgery Type on Time to Adjuvant Chemotherapy and Impact of Delay on Breast Cancer Survival: A National Cancer Database Analysis. Annals of Surgical Oncology. Springer Science and Business Media LLC; 2019; 26:3240-3249 10.1245/s10434-019-07566-7
• Does time to adjuvant chemotherapy (TTC) affect outcomes in patients with triple-negative breast cancer? Cite
  Pomponio MK, Keele LJ, Fox KR, Clark AS, Matro JM, Shulman LN, et al. Does time to adjuvant chemotherapy (TTC) affect outcomes in patients with triple-negative breast cancer?. Breast Cancer Research and Treatment. Springer Science and Business Media LLC; 2019; 177:137-143 10.1007/s10549-019-05282-0
• Racial Differences in Time to Breast Cancer Surgery and Overall Survival in the US Military Health System Cite
  Eaglehouse YL, Georg MW, Shriver CD, Zhu K. Racial Differences in Time to Breast Cancer Surgery and Overall Survival in the US Military Health System. JAMA Surgery. American Medical Association (AMA); 2019; 154:e185113 10.1001/jamasurg.2018.5113
• Abstract GS2-05: Impact of the delayed initiation of adjuvant chemotherapy in the outcomes of triple negative breast cancer Cite
  Morante Z, Ruiz R, De la Cruz - Ku G, Namuche F, Mantilla R, Lujan M, et al. Abstract GS2-05: Impact of the delayed initiation of adjuvant chemotherapy in the outcomes of triple negative breast cancer. General Session Abstracts. American Association for Cancer Research; 2019; 10.1158/1538-7445.sabcs18-gs2-05
• Racial disparities in chemotherapy administration for early-stage breast cancer: a systematic review and meta-analysis Cite
  Green AK, Aviki EM, Matsoukas K, Patil S, Korenstein D, Blinder V. Racial disparities in chemotherapy administration for early-stage breast cancer: a systematic review and meta-analysis. Breast Cancer Research and Treatment. Springer Science and Business Media LLC; 2018; 172:247-263 10.1007/s10549-018-4909-5
• Impact of timing of trastuzumab initiation on long-term outcome of patients with early-stage HER2-positive breast cancer: the “one thousand HER2 patients” project Cite
  Gullo G, Walsh N, Fennelly D, Bose R, Walshe J, Tryfonopoulos D, et al. Impact of timing of trastuzumab initiation on long-term outcome of patients with early-stage HER2-positive breast cancer: the “one thousand HER2 patients” project. British Journal of Cancer. Springer Science and Business Media LLC; 2018; 119:374-380 10.1038/s41416-018-0114-x
• The effect of delayed adjuvant chemotherapy on relapse of triple-negative breast cancer Cite
  Li S, Ma D, Shi H, Yu K, Zhang Q. The effect of delayed adjuvant chemotherapy on relapse of triple-negative breast cancer. Journal of Thoracic Disease. AME Publishing Company; 2018; 10:2837-2841 10.21037/jtd.2018.04.94
• Time to treatment and survival in triple negative breast cancer patients receiving trimodality treatment in the United States Cite
  Larson K, Grobmyer S, Karafa M, Pratt D. Time to treatment and survival in triple negative breast cancer patients receiving trimodality treatment in the United States. Cancer Treatment and Research Communications. Elsevier BV; 2018; 16:32-37 10.1016/j.ctarc.2018.04.002
• Physician peer group characteristics and timeliness of breast cancer surgery Cite
  Bachand J, Soulos PR, Herrin J, Pollack CE, Xu X, Ma X, et al. Physician peer group characteristics and timeliness of breast cancer surgery. Breast Cancer Research and Treatment. Springer Science and Business Media LLC; 2018; 170:657-665 10.1007/s10549-018-4789-8
• Time from breast cancer diagnosis to therapeutic surgery and breast cancer prognosis: A population-based cohort study Cite
  Eriksson L, Bergh J, Humphreys K, Wärnberg F, Törnberg S, Czene K. Time from breast cancer diagnosis to therapeutic surgery and breast cancer prognosis: A population-based cohort study. International Journal of Cancer. Wiley; 2018; 143:1093-1104 10.1002/ijc.31411
• Clinical impact of adjuvant radiation therapy delay after neoadjuvant chemotherapy in locally advanced breast cancer Cite
  Silva SB, Pereira AAL, Marta GN, de Barros Lima KML, de Freitas TB, Matutino ARB, et al. Clinical impact of adjuvant radiation therapy delay after neoadjuvant chemotherapy in locally advanced breast cancer. The Breast. Elsevier BV; 2018; 38:39-44 10.1016/j.breast.2017.11.012
• Impact of timeliness of adjuvant chemotherapy and radiotherapy on the outcomes of breast cancer; a pooled analysis of three clinical trials Cite
  Abdel-Rahman O. Impact of timeliness of adjuvant chemotherapy and radiotherapy on the outcomes of breast cancer; a pooled analysis of three clinical trials. The Breast. Elsevier BV; 2018; 38:175-180 10.1016/j.breast.2018.01.010
• Surgical Risk Factors for the Delayed Initiation of Adjuvant Chemotherapy in Breast Cancer Cite
  Riba LA, Gruner RA, Fleishman A, James TA. Surgical Risk Factors for the Delayed Initiation of Adjuvant Chemotherapy in Breast Cancer. Annals of Surgical Oncology. Springer Science and Business Media LLC; 2018; 25:1904-1911 10.1245/s10434-018-6351-7
• Survival and time to initiation of adjuvant chemotherapy among breast cancer patients: a systematic review and meta-analysis Cite
  Zhan Q, Fu J, Fu F, Zhang J, Wang C. Survival and time to initiation of adjuvant chemotherapy among breast cancer patients: a systematic review and meta-analysis. Oncotarget. Impact Journals, LLC; 2017; 9:2739-2751 10.18632/oncotarget.23086
• Delay in radiotherapy is associated with an increased risk of disease recurrence in women with ductal carcinoma in situ Cite
  Shurell E, Olcese C, Patil S, McCormick B, Van Zee KJ, Pilewskie ML. Delay in radiotherapy is associated with an increased risk of disease recurrence in women with ductal carcinoma in situ. Cancer. Wiley; 2017; 124:46-54 10.1002/cncr.30972
• The influence of timing of radiation therapy following breast-conserving surgery on 10-year disease-free survival Cite
  van Maaren MC, Bretveld RW, Jobsen JJ, Veenstra RK, Groothuis-Oudshoorn CG, Struikmans H, et al. The influence of timing of radiation therapy following breast-conserving surgery on 10-year disease-free survival. British Journal of Cancer. Springer Science and Business Media LLC; 2017; 117:179-188 10.1038/bjc.2017.159
• Risk factors for delay of adjuvant chemotherapy in non-metastatic breast cancer patients: A systematic review and meta-analysis involving 186982 patients Cite
  He X, Ye F, Zhao B, Tang H, Wang J, Xiao X, et al. Risk factors for delay of adjuvant chemotherapy in non-metastatic breast cancer patients: A systematic review and meta-analysis involving 186982 patients. PLOS ONE. Public Library of Science (PLoS); 2017; 12:e0173862 10.1371/journal.pone.0173862
• Effect of hospital volume on processes of breast cancer care: A National Cancer Data Base study Cite
  Yen TWF, Pezzin LE, Li J, Sparapani R, Laud PW, Nattinger AB. Effect of hospital volume on processes of breast cancer care: A National Cancer Data Base study. Cancer. Wiley; 2016; 123:957-966 10.1002/cncr.30413
• The impact of immediate breast reconstruction after mastectomy on time to first adjuvant treatment in women with breast cancer in a community setting Cite
  Henry L, Morris L, Downs R, Schwarz R. The impact of immediate breast reconstruction after mastectomy on time to first adjuvant treatment in women with breast cancer in a community setting. The American Journal of Surgery. Elsevier BV; 2017; 213:534-538 10.1016/j.amjsurg.2016.11.004
• The relationship between time to initiation of adjuvant chemotherapy and survival in breast cancer: a systematic review and meta-analysis Cite
  Raphael MJ, Biagi JJ, Kong W, Mates M, Booth CM, Mackillop WJ. The relationship between time to initiation of adjuvant chemotherapy and survival in breast cancer: a systematic review and meta-analysis. Breast Cancer Research and Treatment. Springer Science and Business Media LLC; 2016; 160:17-28 10.1007/s10549-016-3960-3
• Timing of Radiation Therapy and Chemotherapy After Breast-Conserving Surgery for Node-Positive Breast Cancer: Long-Term Results From International Breast Cancer Study Group Trials VI and VII Cite
  Karlsson P, Cole BF, Price KN, Gelber RD, Coates AS, Goldhirsch A, et al. Timing of Radiation Therapy and Chemotherapy After Breast-Conserving Surgery for Node-Positive Breast Cancer: Long-Term Results From International Breast Cancer Study Group Trials VI and VII. International Journal of Radiation Oncology*Biology*Physics. Elsevier BV; 2016; 96:273-279 10.1016/j.ijrobp.2016.06.2448
• Time to Treatment: Measuring Quality Breast Cancer Care Cite
  Polverini AC, Nelson RA, Marcinkowski E, Jones VC, Lai L, Mortimer JE, et al. Time to Treatment: Measuring Quality Breast Cancer Care. Annals of Surgical Oncology. Springer Science and Business Media LLC; 2016; 23:3392-3402 10.1245/s10434-016-5486-7
• The Effect of Waiting Times for Postoperative Radiotherapy on Outcomes for Women Receiving Partial Mastectomy for Breast Cancer: a Systematic Review and Meta-Analysis Cite
  Gupta S, King W, Korzeniowski M, Wallace D, Mackillop W. The Effect of Waiting Times for Postoperative Radiotherapy on Outcomes for Women Receiving Partial Mastectomy for Breast Cancer: a Systematic Review and Meta-Analysis. Clinical Oncology. Elsevier BV; 2016; 28:739-749 10.1016/j.clon.2016.07.010
• Impact of Time from Completion of Neoadjuvant Chemotherapy to Surgery on Survival Outcomes in Breast Cancer Patients Cite
  Sanford RA, Lei X, Barcenas CH, Mittendorf EA, Caudle AS, Valero V, et al. Impact of Time from Completion of Neoadjuvant Chemotherapy to Surgery on Survival Outcomes in Breast Cancer Patients. Annals of Surgical Oncology. Springer Science and Business Media LLC; 2015; 23:1515-1521 10.1245/s10434-015-5020-3
• Delay in initiation of adjuvant trastuzumab therapy leads to decreased overall survival and relapse-free survival in patients with HER2-positive non-metastatic breast cancer Cite
  Gallagher CM, More K, Kamath T, Masaquel A, Guerin A, Ionescu-Ittu R, et al. Delay in initiation of adjuvant trastuzumab therapy leads to decreased overall survival and relapse-free survival in patients with HER2-positive non-metastatic breast cancer. Breast Cancer Research and Treatment. Springer Science and Business Media LLC; 2016; 157:145-156 10.1007/s10549-016-3790-3
• Abstract 2576: Radiation therapy delay and risk of ipsilateral breast tumors in women with ductal carcinomain situ Cite
  Liu Y, Yun S, Lian M, Colditz G. Abstract 2576: Radiation therapy delay and risk of ipsilateral breast tumors in women with ductal carcinomain situ. Epidemiology. American Association for Cancer Research; 2016; 10.1158/1538-7445.am2016-2576
• Delays in time to primary treatment after a diagnosis of breast cancer: Does it impact survival? Cite
  Mujar M, Dahlui M, Yip CH, Taib NA. Delays in time to primary treatment after a diagnosis of breast cancer: Does it impact survival?. Preventive Medicine. Elsevier BV; 2013; 56:222-224 10.1016/j.ypmed.2012.12.001
• Effect of Interval to Definitive Breast Surgery on Clinical Presentation and Survival in Early-Stage Invasive Breast Cancer Cite
  Vujovic O, Yu E, Cherian A, Perera F, Dar AR, Stitt L, et al. Effect of Interval to Definitive Breast Surgery on Clinical Presentation and Survival in Early-Stage Invasive Breast Cancer. International Journal of Radiation Oncology*Biology*Physics. Elsevier BV; 2009; 75:771-774 10.1016/j.ijrobp.2008.11.049
• Time to Surgery and Breast Cancer Survival in the United States Cite
  Bleicher RJ, Ruth K, Sigurdson ER, Beck JR, Ross E, Wong Y, et al. Time to Surgery and Breast Cancer Survival in the United States. JAMA Oncology. American Medical Association (AMA); 2016; 2:330 10.1001/jamaoncol.2015.4508
• Delayed Initiation of Adjuvant Chemotherapy Among Patients With Breast Cancer Cite
  Chavez-MacGregor M, Clarke CA, Lichtensztajn DY, Giordano SH. Delayed Initiation of Adjuvant Chemotherapy Among Patients With Breast Cancer. JAMA Oncology. American Medical Association (AMA); 2016; 2:322 10.1001/jamaoncol.2015.3856
• Clinical Impact of Delaying Initiation of Adjuvant Chemotherapy in Patients With Breast Cancer Cite
  Gagliato DdM, Gonzalez-Angulo AM, Lei X, Theriault RL, Giordano SH, Valero V, et al. Clinical Impact of Delaying Initiation of Adjuvant Chemotherapy in Patients With Breast Cancer. Journal of Clinical Oncology. American Society of Clinical Oncology (ASCO); 2014; 32:735-744 10.1200/jco.2013.49.7693
• Delay to Curative Surgery Greater than 12 Weeks Is Associated with Increased Mortality in Patients with Colorectal and Breast Cancer but Not Lung or Thyroid Cancer Cite
  Shin DW, Cho J, Kim SY, Guallar E, Hwang SS, Cho B, et al. Delay to Curative Surgery Greater than 12 Weeks Is Associated with Increased Mortality in Patients with Colorectal and Breast Cancer but Not Lung or Thyroid Cancer. Annals of Surgical Oncology. Springer Science and Business Media LLC; 2013; 20:2468-2476 10.1245/s10434-013-2957-y
• Time to Adjuvant Chemotherapy for Breast Cancer in National Comprehensive Cancer Network Institutions Cite
  Vandergrift JL, Niland JC, Theriault RL, Edge SB, Wong Y, Loftus LS, et al. Time to Adjuvant Chemotherapy for Breast Cancer in National Comprehensive Cancer Network Institutions. JNCI: Journal of the National Cancer Institute. Oxford University Press (OUP); 2013; 105:104-112 10.1093/jnci/djs506
• Does immediate breast reconstruction using free flaps lead to delay in the administration of adjuvant chemotherapy for breast cancer? Cite
  Kontos M, Lewis R, Lüchtenborg M, Holmberg L, Hamed H. Does immediate breast reconstruction using free flaps lead to delay in the administration of adjuvant chemotherapy for breast cancer?. European Journal of Surgical Oncology (EJSO). Elsevier BV; 2010; 36:745-749 10.1016/j.ejso.2010.06.013
• Optimal timing for adjuvant radiation therapy in breast cancer Cite
  Tsoutsou PG, Koukourakis MI, Azria D, Belkacémi Y. Optimal timing for adjuvant radiation therapy in breast cancer. Critical Reviews in Oncology/Hematology. Elsevier BV; 2009; 71:102-116 10.1016/j.critrevonc.2008.09.002
• Impact of interval from breast conserving surgery to radiotherapy on local recurrence in older women with breast cancer: retrospective cohort analysis Cite
  Punglia RS, Saito AM, Neville BA, Earle CC, Weeks JC. Impact of interval from breast conserving surgery to radiotherapy on local recurrence in older women with breast cancer: retrospective cohort analysis. BMJ. BMJ; 2010; 340:c845-c845 10.1136/bmj.c845