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Randomized clinical trials have shown the efficacy of adjuvant chemotherapy in treating node-positive operable breast cancer in women aged &lt; or = 69 years, but the benefit of chemotherapy in women aged &gt; or = 70 is questionable. This study was to examine if adjuvant chemotherapy is effective for these women with breast cancer.

Effectiveness of Adjuvant Chemotherapy for Node-Positive Operable Breast Cancer in Older Women