Michael P. Federle, MD, FACR: Professor of Radiology, Chief Abdominal Imaging, University of Pittsburgh Medical Center R. Brooke Jeffrey, MD: Professor of Radiology, Chief of Abdominal Imaging, Stanford University Medical Center Terry S. Desser, MD: Assistant Professor of Radiology, Stanford University School of Medicine Venkata Sridhar Anne, MD: Clinical Research Fellow, Radiology Department, Abdominal Imaging Division, University of Pittsburgh Medical Center Andres Eraso, MD: Assistant Clinical Professor of Radiology, Louisiana State University Health Sciences Center, Radiologist, Veterans Affairs Medical Center, New Orleans, Louisiana Joseph Jen-Sho Chen, BA: Medical Student; Research Fellow, Radiology Department, Abdominal Imaging Division, University of Pittsburgh Medical Center Shalini Guliani-Chabra, MD: Radiology Resident, Radiology Department - Abdominal Imaging Division, University of Pittsburgh Medical Center Karen M. Pealer, BA, CCRC: Clinical Research Coordinator, Radiology Department - Abdominal Imaging Division, University of Pittsburgh Medical Center.