OUTLINE: This is a randomized, multicenter study. Patients are stratified according to chemotherapy regimen (doxorubicin and cyclophosphamide vs doxorubicin, cyclophosphamide, and fluorouracil vs doxorubicin with paclitaxel or docetaxel vs fluorouracil, epirubicin, and cyclophosphamide) and treatment setting. Patients are randomized to 1 of 3 arms.