to evaluate the results of treatment of stage i and stage ii-t1 and t2 , no and n1-carcinoma of the breast by modified radical mastectomy with preservation of the pectoralis major muscle , the survival rates of all such patients treated by the senior author from 1965 through 1968 were compared with the survival rates of a simultaneous group of patients with similar stage disease treated by conventional radical mastectomy by the same surgeon .
C0585574
pectoralis major muscle
C0024884
radical mastectomy