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: ENT
[{'content': 'Treatment of choice of Carcinoma maxillary sinus with T3NOMO \nSelect and explain. \nA. Surgery, B. Radiotherapy, C. Surgery and Radiotherapy, D. Surgery and chemotherapy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]