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': 'Breast conservative surgery is done in all except? \nSelect and explain. \nA. Young patients, B. Ductal carcinoma in situ, C. Lobular carcinoma, D. Infiltrating ductal carcinoma', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e. Lobular carcinoma", 'role': 'assistant'}]