Mitchell Posner, MD, currently serves as the Thomas D. Jones Professor of Surgery, Chief of Section of General Surgery and Surgical Oncology, and Physician-in-Chief of the University of Chicago Medicine Comprehensive Cancer Center.With a reputation earned as a leading authority in the management of upper gastrointestinal cancers, Mitchell Posner, MD, ranks among the country’s best doctors. Dr. Posner couples his skill as a cancer surgeon with a commitment to multidisciplinary care, providing his patients with optimal outcomes.