1. From the Department of Radiology, Perelman School of Medicine, University of Pennsylvania, 3400 Spruce St, 1 Silverstein Radiology, Philadelphia, PA 19104 (T.S.C., W.W.B.); Hospital of the University of Pennsylvania, Philadelphia, Pa (S.J.S.); Siemens Healthineers, Cary, NC (S.R.S.); and Nuance Communications, Burlington, Mass (W.W.B.).