Valentine N Nfonsam, MD

Cancer Biology Program
Valentine N Nfonsam, MD


Valentine N. Nfonsam, MD, MS, FACS, FASCRS is an associate professor and Program Director for the General Surgery Residency Program at the University of Arizona. His clinical specialties are colorectal and gastrointestinal surgery, geriatric surgical oncology and laparoscopic/robotic-assisted surgery. A graduate of the University of Illinois College of Medicine in Chicago, Dr. Nfonsam completed his surgery residency training at North Shore-Long Island Jewish Health System in New York. During his residency, he completed a minimally invasive surgery (MIS) research fellowship at Cleveland Clinic. Dr. Nfonsam came to the University of Arizona from the University of South Florida, Tampa, where he completed a two-year fellowship in colon and rectal surgery.

Cancer Focus

Dr. Nfonsam’s research focuses on colorectal cancer, especially in young patients, inflammatory bowel disease and pelvic floor disorders. In the last several years, his lab has focused on the biology of early onset colorectal cancer. His lab focuses on colorectal cancer biology and carcinogenesis. He has a deep interest in colorectal cancer biomarkers. Dr. Nfonsam’s long-term goal is to continue to establish the scientific foundation for targeted treatment for early onset colorectal cancer.