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': 'Subcapsular orchiectomy is done for cancer of ? \nSelect and explain. \nA. Testes, B. Prostate, C. Penis, D. Urethra', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Prostate", 'role': 'assistant'}]