Li Li, MD, PhD, MPH (IMAGE) University of Virginia Health System Caption Through his role on the U.S. Preventive Services Task Force, UVA Health's Li Li, MD, PhD, MPH, has helped develop new lung cancer screening guidelines that expand screenings to more high-risk patients. Credit UVA Health Usage Restrictions This photo may only be used with coverage of this news release. 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.