Umar Mahmood, MD, PhD (IMAGE) Society of Nuclear Medicine and Molecular Imaging Caption Umar Mahmood, MD, PhD Credit Society of Nuclear Medicine and Molecular Imaging Usage Restrictions Please give appropriate credit. 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.