Dr. Yuman Fong (IMAGE) City of Hope Caption Yuman Fong, M.D., senior author of the study, Sangiacomo Family Chair in Surgical Oncology at City of Hope and director of City of Hope’s Center for Surgical Innovation. Credit Photo Credit: City of Hope Usage Restrictions n/a 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.