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': "Structures preserved in MRM are all the following except \nSelect and explain. \nA. Axillary vessels, B. Bell's nerve, C. Cephalic vein, D. Nipple", 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. (d) Nipple(Ref Bailey and Love 26th edition page 813)Structures preserved in MRM:* Axillary vessels* Bell's Nerve* Cephalic vein* Nerve to Latissmus dorsi* Pectoralis major", 'role': 'assistant'}]