FILE - In this Oct. 13, 2009 file photo, a surgeon performs robotic prostate surgery on a patient in Chicago. According to a report released on Wednesday, July 12, 2017, long-term results comparing different approaches for men with cancers confined to the prostate show that after 20 years, death rates were similar for those who had immediate surgery as for those initially assigned to monitoring. (AP Photo/M. Spencer Green)
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