after mastectomy , 265 postmenopausal patients with node-positive breast cancer were stratified according to pathologic nodal status and estrogen-receptor ( er ) status and randomized to receive either 12 cycles of cyclophosphamide , methotrexate , 5-fluorouracil , and prednisone ( cmfp ) , or cmfp plus tamoxifen ( cmfpt ) , or observation alone .
C0032952
prednisone
C0055985
cmfp