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': 'FNAC is the IOC is given below thyroid conditions except \nSelect and explain. \nA. Papillary carcinoma, B. Medullary carcinoma, C. Anaplastic carcinoma, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: FNAC is the IOC for most of thyroid disorder except Anaplastic carcinoma. Thyroid lymphoma & Reidel\'s thyroiditis where "tru - cur biopsy" is the investigation of choice.', 'role': 'assistant'}]