George J. Chang

George J. Chang is a Professor of Surgical Oncology at The University of Texas MD Anderson Cancer Center, where he specializes in colorectal surgery and gastrointestinal oncology. His research focuses on organ preservation strategies for rectal cancer, particularly nonoperative management following neoadjuvant therapy, and the optimization of surgical approaches including minimally invasive and robotic techniques. His recent work examines local tumor regrowth risk factors, sentinel lymph node mapping with magnetic and indocyanine green tracers, and the impact of social determinants of health on cancer outcomes. He has published extensively in leading journals including the Journal of Clinical Oncology and Annals of Surgical Oncology, with ongoing investigations into managing primary tumors in patients with synchronous liver metastases and outcomes for anal cancer according to HIV status.