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': 'The current treatment of choice for a large antrochoanal polyp in a 30 year old man is - \nSelect and explain. \nA. Intranasal polypectomy, B. Caldwell luc operation, C. F.E.S.S. (Endoscopic Sinus Surgery), D. Lateral Rhinotomy and excision', 'role': 'user'}, {'content': 'Answer: C \nExplanation: FESS is the treatment of choice for all polyps, whenever available and has superceded other methods of polyp removal.', 'role': 'assistant'}]