Dr. Sam S. Chang (IMAGE) Vanderbilt University Medical Center Caption Sam S. Chang, MD, MBA, Patricia and Rodes Hart Endowed Professor of Urologic Surgery and VUMC Chief Surgical Officer, Vanderbilt Ingram Cancer Center Credit Vanderbilt University Medical Center Usage Restrictions Vanderbilt University Medical Center License Original content 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.