Title

Factors associated with breast cancer surgery delay within a coordinated multihospital community health system: When does surgical delay impact outcome?

Affiliations

Department of Surgical Breast Oncology, Aurora Sinai Medical Center, Advocate Aurora Research Institute, Aurora University of Wisconsin Medical Group

Abstract

BACKGROUND: Multiple factors influence the time elapsed between diagnosis of breast cancer and surgical extirpation of the primary tumor. The disease-free interval between resection of primary breast cancer and first evidence of recurrence is predictive of mortality. We aimed to determine patient, disease, and treatment factors associated with a delay in time to surgery (TTS) and identify the point when prolonged TTS negatively impacts disease-free survival.

PATIENTS AND METHODS: Cancer registry and electronic medical record data for patients with breast cancer who underwent surgery as first course of treatment during 2006-2016 were retrospectively reviewed. Patients undergoing surgery in ≤30 vs. 31-60 vs. >60 days of initial diagnosis were compared. Kaplan-Meier survival analyses with Cox proportional hazards were performed to evaluate impact of time from breast cancer diagnosis to definitive therapeutic surgery on breast cancer recurrence or death (all-cause).

RESULTS: Overall, 4462 patients were analyzed, 43.4% of whom underwent surgery beyond 30 days. The following factors were associated with TTS >30 days: age60 days, increased patient age, higher breast cancer stage, and triple-negative biomarker expression.

CONCLUSION: Risk of recurrence or death is not compromised until TTS exceeds 60 days after initial breast cancer diagnosis.

Document Type

Article

PubMed ID

34119430

DOI

10.1016/j.clbc.2021.04.012

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