<prompt> True about modified radical mastectomy is:-Pectoralis major is removedAxillary lymph nodes are preservedPectoralis minor is dividedInternal mammary lymph nodes are removed  <response>: Pectoralis minor is divided in Scanlons modification of modified radical mastectomy. Types of Mastectomy Simple or total mastectomy Removal of breast tissue, nipple-areola complex, skin. Extended simple mastectomy Simple mastectomy removal of level I axillary LNs. Modified radical mastectomy Removes all breast tissue, nipple-areola complex, skin and level I II axillary LNs. 