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': 'True about pagets disease of the nipple is- \nSelect and explain. \nA. Always there is underlying carcinoma, B. Often bilateral eczema of nipple seen, C. Histology reveals giant cells, D. Highly malignant', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]