This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Surgery
[{'content': 'Traetment of Medullary Carcinoma thyroid \nSelect and explain. \nA. Surgery and Radioiodine, B. Radiotherapy and chemotherapy, C. Surgery only, D. Radioiodine ablation', 'role': 'user'}, {'content': 'Answer: C \nExplanation: In medullary carcinoma thyroid , total thyroidectomy is treatment of choice. Radiotherapy can be considered in unresectable cases or after complete surgical resection in few cases. Note : Since medullary thyroid cancer doesnot arise from follicular cells, TSH suppression and RAI (radio active iodine) therapy have no role. Source : Sabiston 20th edition pg 910', 'role': 'assistant'}]