This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pathology
[{'content': 'most comon type of carcinoma thyroid is \nSelect and explain. \nA. Anaplastic, B. Papillary, C. Follicular, D. Medullary', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The most common thyroud carcimoma is papillary carcinoma 75 - 85% of all cases. Option 2 is right. Robbins basic pahology. 7th edition. Chapter Endocrine system. Page no. 1177.', 'role': 'assistant'}]