Research & Publications
Dr. Billingsley's research has focused on optimizing the clinical care of patients with gastrointestinal (GI) tumors. He has served as the surgical investigator in numerous clinical trials. His research portfolio also includes health services and outcomes studies that address a variety of problems faced by GI cancer patients . These studies include work around health care disparities in the treatment of metastatic colorectal cancer as well as a number of investigations in quality of care and the relationship between volume and outcome in complex GI surgical oncology. In more recent years, he has focused on optimizing the technical approaches to liver surgery and the perioperative care of liver surgery patients. Dr. Billingsley's research team clarified the relationship between liver surgery and postoperative blood clotting physiology to diminish the use of unnecessary postoperative transfusion of blood products.