This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thyroid Malignancies, Subject name: Surgery
[{'content': 'Most common tumor of thyroid is - \nSelect and explain. \nA. Papillary, B. Follicular, C. Medullary, D. Hurthle cell', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Papillary o Papillary carcinoma thyroid accounts for 80% of all thyroid maligrancv in Iodine sufficient areas.", 'role': 'assistant'}]