This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'A women noticed mass in her left breast with bloody discharge. Histopathology revealed duct ectasia.Treatment is? \nSelect and explain. \nA. Simple mastectomy, B. Microdochotomy, C. Lobectomy, D. Hadfield operation', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]