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': "Blood stained discharge from nipple is indicative of: March 2013 (a, b, d, e) \nSelect and explain. \nA. Paget's disease, B. Duct ectasia, C. Solitary intraalveolar papilloma, D. Lobular carcinoma", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B i.e. Duct ectasia', 'role': 'assistant'}]