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About

Dr. William R. Jarnagin is a pioneering hepatobiliary surgeon whose career has been defined by advancing minimally invasive cancer surgery at a major tertiary cancer center. His research focuses on the evolution and comparative effectiveness of laparoscopic and robotic approaches for complex pancreatic and liver procedures. Dr. Jarnagin’s landmark work includes a seminal single-institution study comparing open, laparoscopic, and robotic distal pancreatectomy (196 citations), which provided critical evidence on safety and oncologic outcomes. He further demonstrated the feasibility and benefits of robotic hepatectomy through a case-matched comparison (108 citations), helping to establish robotic liver resection as a viable option. His broader contributions, such as an 11-year review of minimally invasive operations for intra-abdominal malignancies, have shaped clinical practice by systematically evaluating adoption and outcomes. Dr. Jarnagin has also explored technical innovations, including nonrigid registration for image-guided laparoscopic liver surgery, and has investigated optimal approaches for procedures like laparoscopic distal pancreatectomy and robotic placement of hepatic artery infusion pumps. Through his rigorous comparative studies and technical advancements, Dr. Jarnagin has been instrumental in expanding the role of minimally invasive surgery in oncology, improving patient outcomes while maintaining oncologic principles.