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Derivation of the study cohort. (*) Calorie exclusion: < 600 or > 4,200 calories per day for men and < 500 calories or > 3,500 calories per day for women. Q1, questionnaire 1 (midway through adjuvant therapy); Q2, questionnaire 2 (6 months after completion of adjuvant therapy). CALGB, Cancer and Leukemia Group B.
