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': 'Hurthle cell tumour is: \nSelect and explain. \nA. Papillary carcinoma thyroid, B. Follicular carcinoma thyroid, C. Medullary carcinoma, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: HURTHLE CELL CARCINOMA:\n\nHurthle cell carcinomas account for approximately 3% of all thyroid malignancies.\nConsidered to be a subtype of follicular thyroid cancer.', 'role': 'assistant'}]