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 for antrochoanal polyp in a 10yr. old child- \nSelect and explain. \nA. Caldwell luc's, B. Intranasal polypectomy, C. Conservative treatment till 16 years, D. Exploratory rhinotomy", 'role': 'user'}, {'content': 'Answer: B \nExplanation: FESS is the surgical procedure of choice.\nIntranasal polypectomy is the procedure of choice in those setups where endoscopic surgery is not practiced.', 'role': 'assistant'}]