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': 'Management of Carcinoma prostate with no lymph node or mets in a 72-year-old man is \nSelect and explain. \nA. Proscavax vaccine, B. TURP, C. Radical prostatectomy, D. Harmonal ablation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In more than 70 year old observation with Proscavax vaccine is followed.', 'role': 'assistant'}]