Arlene Siefker-Radtke, M.D. (IMAGE) University of Texas M. D. Anderson Cancer Center Caption Arlene Siefker-Radtke, M.D. Credit MD Anderson Cancer Center Usage Restrictions one-time use only 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.