• S Oriana, D Coradini, G M Sasso, and G Di Fronzo.
• Istituto Nazionale Tumori, Milano, Italy.
• Anticancer Res. 1991 Nov 1; 11 (6): 2199-205.

AbstractTwo hundred consecutive postmenopausal women with operable breast cancer and metastatic axillary nodes were treated during the period January - December 1981 with adjuvant chemotherapy (CMF) or hormonal treatment (tamoxifen). The distribution of receptor status (estrogen or progesterone), number of axillary metastatic nodes (less than = 3 or greater than 3), surgical treatment and size of the primary tumor were homogeneous in both groups. Receptor status and number of axillary lymph nodes were correlated with adjuvant treatment efficacy. Ten-year disease-free survival (DFS) was higher in the TAM-treated (72%) than in the CMF-treated group (52%) (p less than 0.01). In patients with less than = 3 axillary metastatic nodes, those treated with TAM had a higher DFS rate than those treated with CMF (75% vs 59%, p less than 0.01). There was no difference in DFS between CMF-and TAM-treated groups within the greater than 3 metastatic lymph node patients. In ER + primary tumors, DFS was higher in the subset treated with TAM (62%) than with CMF (51%) (p less than 0.05), whereas no difference in DFS was observed in ER- patients between the two treatment groups. Considering the TAM group, DFS was better (p less than 0.01) for ER+ cases than for ER- cases only at 5 years of observation. In the CMF group, DFS was not influenced by ER status. PgR content did not affect DFS in either adjuvant treatment group.

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