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': 'In which of the following types of carcinoma breast, comedo growth pattern is seen ? \nSelect and explain. \nA. Ductal carcinoma in situ, B. Medullary catcinoma, C. Lobular carcinoma in situ, D. Infiltrating lobular carcinoma', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ductal Carcinoma In Situ(DCIS) charcterised by: - intraductal carcinoma without invasion to basement membrane. -Types are solid,comedo with necrosis,cribriform,papillary -nipple discharge and small swellings are the paresentations. SRB's Manual of Surgery.Edition -5. Pg no:532.", 'role': 'assistant'}]