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': 'Breast conservative surgery is done in all except \nSelect and explain. \nA. Young patients, B. Ductal carcinoma is situ, C. Lobular carcinoma, D. Infiltrative ductal carcinoma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Lobular carcinoma insitu: Tamoxifen (risk reduction in premenopausal) or raloxifen (post-menopausal) often with bilateral total mastectomy is the treatment. Ref : SRB&;s 4thE pg:568', 'role': 'assistant'}]