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Prognostic significance of clinicopathological factors in early breast cancer: 20 years of follow-up in a single-center analysis.
Oncotarget 2017 June 17
BACKGROUND: To quantify the effect of traditional prognostic factors [nodal status, estrogen-receptor (ER), progesterone-receptor (PR), human epidermal growth factor receptor 2 (HER2)] on long-term outcome of patients with early breast cancer (EBC), treated in clinical practice over a period of about twenty years.
RESULTS: 1198 consecutive patients were identified. Median DFS (disease-free survival): ER+/PR±/HER2-, 165 months (mo) if node-negative (N0) and 114mo if node-positive (N+) (p < 0.001); triple-negative (TN), 109mo if N0 and 65mo if N+ (p 0.144); ER+/PR±/HER2+ in patients not-treated with adjuvant trastuzumab (T-), not reached if N0 and 114mo if N+ (p 0.297); ER+/PR±/HER2+ in patients treated with trastuzumab (T+), 95mo if N0 and 85mo if N+ (p 0.615); ER-/PR-/HER2+ T-, not reached if N0 and 26mo if N+ (p 0.279); ER-/PR-/HER2+ T+, not reached if N0 and 66mo if N+ (p 0.014). Median OS (overall survival): ER+/ PR±/HER2-, 166mo if N0 and 144mo if N+ (p 0.028); TN, 158mo if N0 and 96mo if N+ (p 0.384); ER+/PR±/HER2+ T-, not reached if N0 and 157mo if N+ (p 0.475), ER+/PR±/HER2+ T+, not reached if N0 and 106mo if N+ (p 0.436); ER-/PR-/HER2+ T-, not reached if N0 and 34mo if N+ (p 0.273); ER-/PR-/HER2+ T+, not reached neither if N0 nor if N+ (p 0.094).
MATERIALS AND METHODS: Disease-free survival (DFS) and overall survival (OS) were evaluated according to tumor characteristics, based on information retrospectively retrieved from patients' medical records.
CONCLUSIONS: Pathological tumor characteristics and nodal status still represent useful tools in treatment selection and follow-up decision making of EBC patients in clinical practice.
RESULTS: 1198 consecutive patients were identified. Median DFS (disease-free survival): ER+/PR±/HER2-, 165 months (mo) if node-negative (N0) and 114mo if node-positive (N+) (p < 0.001); triple-negative (TN), 109mo if N0 and 65mo if N+ (p 0.144); ER+/PR±/HER2+ in patients not-treated with adjuvant trastuzumab (T-), not reached if N0 and 114mo if N+ (p 0.297); ER+/PR±/HER2+ in patients treated with trastuzumab (T+), 95mo if N0 and 85mo if N+ (p 0.615); ER-/PR-/HER2+ T-, not reached if N0 and 26mo if N+ (p 0.279); ER-/PR-/HER2+ T+, not reached if N0 and 66mo if N+ (p 0.014). Median OS (overall survival): ER+/ PR±/HER2-, 166mo if N0 and 144mo if N+ (p 0.028); TN, 158mo if N0 and 96mo if N+ (p 0.384); ER+/PR±/HER2+ T-, not reached if N0 and 157mo if N+ (p 0.475), ER+/PR±/HER2+ T+, not reached if N0 and 106mo if N+ (p 0.436); ER-/PR-/HER2+ T-, not reached if N0 and 34mo if N+ (p 0.273); ER-/PR-/HER2+ T+, not reached neither if N0 nor if N+ (p 0.094).
MATERIALS AND METHODS: Disease-free survival (DFS) and overall survival (OS) were evaluated according to tumor characteristics, based on information retrospectively retrieved from patients' medical records.
CONCLUSIONS: Pathological tumor characteristics and nodal status still represent useful tools in treatment selection and follow-up decision making of EBC patients in clinical practice.
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