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': 'Which of the following is not true for juvenile angiofibroma: \nSelect and explain. \nA. Biopsy for diagnosis, B. Benign tumor, C. Surgical excision, D. Second decade', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Biopsy is never done for diagnosis of nasopharyngeal fibroma as it is extremely vascular tumor and is attended by profuse bleeding.', 'role': 'assistant'}]