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Risk factors for late relapse and death in patients with early breast cancer

C. GRASIC-KUHAR, M. BRACKO, B. ZAKOTNIK

Abstract:

Adjuvant treatments reduce the risk for recurrence and death from breast cancer; but even 10-15 years after diagnosis, these risks persist. The aim of our study was to identify prognostic factors for relapse and death in the second decade after primary surgery. Patients with early breast cancer treated from 1983-1987 (n=1035) were included. Patients’ characteristics, tumor prognostic factors, treatments, data on recurrence and death were obtained from patients’ charts and our cancer registry. Median follow-up was 17 (1-23) years. At 10 years after surgery, 515 (49.8%) patients were alive and of them 432 (41.7%) were relapse-free. Of the 432 patients being alive and relapse-free at 10 years 153 (35.4%) had an event thereafter, of them 38 (25%, 9% of all) had a relapse of breast cancer. For this period only the presence of lymphovascular invasion (LVI) and positive estrogen receptors (ER) were found as independent unfavorable prognostic factors for relapse-free (HR 2.09, p=0.007; HR 1.50, p=0.021, respectively) and overall survival (HR 2.15, p=0.006; HR 1.41, p=0.05, respectively) while tumor size, grade and nodal status had no prognostic significance. Positive ER and LVI are independent prognostic factors for relapse and death in the second decade after surgery in patients with early breast cancer.

Issue: 5/2008

Volume: 2008

Pages: 416 — 420

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