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Breast Dis ; 39(1): 29-35, 2020.
Article in English | MEDLINE | ID: mdl-31903977

ABSTRACT

BACKGROUND: Breast-conserving surgery (BCS) as an alternative to total mastectomy (TM) in patients with early-stage triple-negative breast cancer (TNBC) is not widely spread. OBJECTIVE: We aimed to compare the overall survival (OS) and disease-free survival (DFS) between both surgical approaches in early-stage TNBC patients at 10 years. METHODS: We conducted a retrospective cohort study in TNBC female patients with stage I-IIa, treated at a single-center during the period of 2000-2014. We estimated and compared the survival rates with the Kaplan Meier and Long-rank test. Propensity scores were calculated with the generalized boosted regression model and were used in the multivariate Cox regression analysis with the covariate adjustment method. RESULTS: We included 288 patients, 111 in the BCS vs. 177 in the TM group. The median follow-up was 102 months. Moreover, the patients in the BCS group had superior OS (85% vs. 81%, p = 0.56) and DFS (83% vs. 80%, p = 0.42) at 10 years. In the multivariate Cox analysis, BCS decreased the mortality risk (HR: 0.79, 95% CI: 0.37-1.67, p = 0.538), and the locoregional or distant recurrence risk (HR: 0.67, 95% CI: 0.32-1.41, p = 0.294), albeit with no statistical significance. CONCLUSION: BCS is a safe alternative to TM in Latin-American patients with early-stage TNBC.


Subject(s)
Mastectomy, Segmental , Mastectomy, Simple , Triple Negative Breast Neoplasms/surgery , Adult , Aged , Disease-Free Survival , Female , Follow-Up Studies , Humans , Latin America , Middle Aged , Neoplasm Staging , Propensity Score , Retrospective Studies , Treatment Outcome , Triple Negative Breast Neoplasms/drug therapy
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