Timothy N. Showalter, University of Virginia Health System (image) University of Virginia Health System Share Print E-Mail Caption Timothy N. Showalter, of the UVA Cancer Center, reviewed 16,000 prostate cancer outcomes to produce his surprising findings on radiation after prostatectomy. Credit UVA Health System Usage Restrictions Image may be used for news-gathering purposes, both print and online. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.