from 1973 to 1980 we randomly assigned 701 patients with breast cancer measuring less than 2 cm in diameter and with no palpable axillary lymph nodes to halsted radical mastectomy ( n 349 ) or to 'quadrantectomy ' with axillary dissection and radiotherapy to the ipsilateral breast tissue ( n 352 ) .
C0729594
axillary lymph nodes
C0193867
axillary dissection