This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast, Subject name: Surgery
True about modified radical mastectomy is:- 
Select and explain. 
A. Pectoralis major is removed, B. Axillary lymph nodes are preserved, C. Pectoralis minor is divided, D. Internal mammary lymph nodes are removed
C: Pectoralis minor is divided
Answer: C: Pectoralis minor is divided 
Explanation: Pectoralis minor is divided in Scanlon's 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.