This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Tumors of Nose and PNS, Subject name: ENT
[{'content': 'Carcinoma maxillary sinus stage III (T3 M0 N0), treatment of choice is: \nSelect and explain. \nA. Radiotherapy, B. Surgery + Radiotherapy, C. Chemotherapy, D. Chemotherapy + Surgery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (b) Surgery + Radiotherapy(Ref. Cummings, 6th ed., 1184)For all patients of carcinoma maxillary sinus (except small T1 lesions), the treatment is surgical resection (maxillectomy) followed by radiation therapy.', 'role': 'assistant'}]