Dr. Ryan Hsi (IMAGE) Vanderbilt University Medical Center Caption Ryan Hsi, MD, associate professor in the Department of Urology, Division of Endourology and Stone Disease at Vanderbilt University Medical 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.