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': 'False of papillary carcinoma thyroid is \nSelect and explain. \nA. PAX 8 mutation, B. FNAC is investigation of choice, C. Best prognosis among all thyroid cancers, D. Hematogenous spread', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Papillary carcinoma has the best prognosis among all the thyroid cancers.', 'role': 'assistant'}]