And the good site of prostate cancer is in the peripheral zone, which means that prostate cancer can still occur after prostate removal. Therefore, despite the relief of urinary symptoms, the risk of prostate cancer still exists. The actual fact is that most of the prostate cancer can be detected by anal finger examination and serum prostate specific antigen test, so patients who have had prostate surgery should still cooperate with their doctors during the physical examination and do the test.