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- W2590993831 abstract "11515 Background: Management of patients with breast cancer ≤ 5mm remains controversial. No clear-cut treatment guidelines are currently available for this increasing population. The aim of this study was to better characterize these tumors and to find prognostic factors. Methods: We retrospectively studied 247 patients treated at the Bergonié Institute (France) between 1980 and 2006. All patients with breast tumors measuring > 0,1 cm and ≤ 5mm (pathological size, pt1a) were included in this study. Patients having bilateral or anterior contralateral invasive breast cancer were excluded. Axillary lymph node dissection was done in 139 patients. Survival curves were evaluated by Kaplan-Meier method and univariate analysis by the log-rank test. Results: Median follow-up was 90.9 months. Overall survival was 96% at 5 years and 94% at 10 years. Distant disease free survival was 98% at 5 years and 94% at 10 years. Distant disease free survival was 98% at 5 years and 97% at 10 years for pT1aN0 versus 68% at 5 years and 57% at 10 years for pT1aN+. In univariate analysis, axillary nodal status, mitotic index, lymphovascular invasion and estrogen receptor status (positive or negative) were significant prognostic factors. (p=7.3 ×10–9; p=0.01; p=0.05 and p = 0.05). Conclusions: pT1a breast tumors have an excellent prognosis. Axillary nodal status seems to be the strongest prognostic factor. Randomized studies are needed to better codify the therapeutic sequence in order to spare patients from unnecessary secondary effects and iatrogenic complications. No significant financial relationships to disclose." @default.
- W2590993831 created "2017-03-03" @default.
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- W2590993831 date "2008-05-20" @default.
- W2590993831 modified "2023-10-18" @default.
- W2590993831 title "Prognosis and survival of patients with T1a breast carcinoma: A single center retrospective study" @default.
- W2590993831 doi "https://doi.org/10.1200/jco.2008.26.15_suppl.11515" @default.
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