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': 'Whole body Iodine scan is done in all of the following except : \nSelect and explain. \nA. Folliculal carcinoma of thyroid, B. Papillary carcinoma of thyroid, C. Medullary carcinoma of thyroid, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Whole body Iodine scan & Radioiodine ablation can not be done in mdullary carcinoma of thyroid & Anaplastic carcinoma of thyroid.', 'role': 'assistant'}]