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Prognostic-significance of multifocality in primary breast-cancer
A Morabito1, F Perrone, R Lauria
1UNIV NAPLES FEDERICO II,FAC MED,CATTEDRA ONCOL MED,I-80131 NAPLES,ITALY. UNIV NAPLES FEDERICO II,FAC MED,IST PATOL,I-80131 NAPLES,ITALY. UNIV NAPLES 2,FAC MED,CATTEDRA STAT MED & BIOMETRIA,I-80131 NAPLES,ITALY. CNR,CTR ELABORAZ DATI CLIN ONCOL MEZZOGIORNO,NAPLES,ITALY.
Abstract:
The impact of multicentricity in primary breast cancer on relapse or death after radical or modified radical mastectomy was evaluated in 1336 consecutive patients. Multiple tumor foci were found in 11.7% of breast cancers: in 8.4% multicentricity was infiltrating, while in 3.3% of cases an in situ growth pattern was observed. There was a statistically significant association between multicentric primaries and lobular infiltrating carcinoma, age less than or equal to 50 years, large tumors and metastatic axillary nodes, while no relationship was observed with histological grade. Both 5-year disease-free survival and overall survival were shorter in patients with infiltrating multicentric primary tumors. Multivariate analysis confirmed the prognostic role of infiltrating multicentric tumors after adjusting for nodal status, tumor size, age and adjuvant therapy.
