1. From the Department of Radiology (H.Y.S., Q.X.), Pancreas Center (Z.P.L., K.R.J.), and Department of Pathology (M.N.L.), The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Rd, Nanjing, P.R. China; and Siemens Healthineers, Shanghai, P.R. China (Y.Q.G.).