1. From the Department of Radiology, Body Imaging Service, Memorial Sloan Kettering Cancer Center, 1275 York Ave, New York, NY 10065 (A.S.B., J.P.D., S.W., R.P.J., H.A.V.); and Department of Radiology, NYU Langone Medical Center, New York, NY (A.S.B., S.W., H.A.V.).