Sapna Patel, MD (IMAGE) SWOG Cancer Research Network Caption Sapna Patel, MD, chair of the SWOG melanoma committee and associate professor of Melanoma Medical Oncology at The University of Texas MD Anderson Cancer Center, led the SWOG S1801 clinical trial, which found that starting pembrolizumab before surgery instead of waiting until after surgery significantly improves the outlook for patients with stage III-IV melanoma. Credit The University of Texas MD Anderson Cancer Center Usage Restrictions Credit must be given to the creator. License CC BY 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.