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: Ans. is 'd' i.e., Excision", 'role': 'assistant'}]