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': 'On which of following does prognosis in male breast Ca depend - \nSelect and explain. \nA. Duration of disease, B. Nipple discharge, C. Ulceration of nipple, D. Lymph node status', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]