This research shows a tendency for surgery to offer better cures rates for prostate cancer than radiation therapy, but has to be taken in context. Every man is different, and surgery is not appropriate for some. There are limitations to this study, and the message is not that surgery is the best treatment for all men.

http://www.webmd.com/prostate-cancer/news/20151215/surgery-may-beat-radiation-for-men-with-early-stage-prostate-cancer