This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Surgery
[{'content': 'A 35 yr female with ductal ca in situ of breast with diffuse microcalcifications. What is best possible mnagement \nSelect and explain. \nA. Breast conservative surgery, B. Simple mastectomy, C. Modified radical mastectomy, D. Radiotherapy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: .Total (simple) mastectomy: Along with the tumour, entire breast, areola, nipple, skin over the breast, including axillary tail are removed. There is no axillary dissection. Often the patient is subjected to radiotherapy later (External) to axilla. ref:SRB&;s manual of surgery,ed 3,pg no 480', 'role': 'assistant'}]