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': 'Which of the following is an absolute indication for BPH \nSelect and explain. \nA. Prostatitis, B. Voiding bladder pressures>70 cm of water, C. Episode of hematuria, D. Bilateral hydronephrosis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Indications of prostate surgery in BPH - Acute or Chronic urine retension\nMultiple UTI\nB/L hydronephrosis\n> 1 episode of hematuria\nBladder divertuli.', 'role': 'assistant'}]