<prompt> Which structures are preserved in scanlons modified radical mastectomyLateral pectoral nervesLevel III nodes in axillaPectoral fasciaNipple and the areola  <response>: . Scanlons operation: Is a modified Pateys operation wherein instead of removing pectoralis minor, it is incised to approach the affected Level III lymph nodes. Auchincloss modified radical mastectomy: Here pectoralis minor muscle is left intact and level III lymph nodes are not removed. ref:SRBs manual of surgery,ed 5,pg no 547 