Jack A. Roth, M.D. (IMAGE) University of Texas M. D. Anderson Cancer Center Caption Jack A. Roth, M.D. is the Professor and Bud Johnson Clinical Distinguished Chair Department of Thoracic & Cardiovascular Surgery. Credit MD Anderson Cancer Center Usage Restrictions None License Licensed 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.