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
[{'content': 'True about modified radical mastectomy is:- \nSelect and explain. \nA. Pectoralis major is removed, B. Axillary lymph nodes are preserved, C. Pectoralis minor is divided, D. Internal mammary lymph nodes are removed', 'role': 'user'}, {'content': "Answer: C \nExplanation: 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.", 'role': 'assistant'}]