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': 'In pigmented basal cell carcinoma, treatment of choice is \nSelect and explain. \nA. Chemotherapy, B. Radiotherapy, C. Cryosurgery, D. Excision', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]