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: Surgery
[{'content': "McNeal's peripheral zone in prostate gland is the seat of - \nSelect and explain. \nA. Benign Hypertrophy, B. Cancer, C. Prostatitis, D. Calculi", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]