This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Prostate Cancer, Subject name: Surgery
[{'content': "Gleasons Scoring is done for? \nSelect and explain. \nA. Prostratic cancer, B. Lung cancer, C. Bladder cancer, D. Hodgkin's lymphoma", 'role': 'user'}, {'content': "Answer: A \nExplanation: ANSWER: (A) Prostratic cancerREF: Harrison's 18th ed chapter 95The Gleason Grading system is used to help evaluate the prognosis of men with prostate cancer. Together with other parameters, it is incorporated into a strategy of prostate cancer staging which predicts prognosis and helps guide therapy.", 'role': 'assistant'}]