J Bart Rose1, William G Hawkins2. 1. Section of Hepatobiliary, Pancreatic, & Gastrointestinal Surgery, Department of Surgery, Washington University School of Medicine, St. Louis, MO. 2. Section of Hepatobiliary, Pancreatic, & Gastrointestinal Surgery, Department of Surgery, Washington University School of Medicine, St. Louis, MO. Electronic address: hawkinsw@wustl.edu.