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': 'All of the following statements about Gynaecomastia are true except: \nSelect and explain. \nA. Subcutaneous mastectomy is the initial treatment of choice, B. Seen in liver disease, C. There may be estrogen/testosterone imbalance, D. Can be drug induced', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]