1. From the Department of Radiology, Nanjing First Hospital, Nanjing Medical University, Nanjing 210006, China (L.Z., X.Y., T.Z., Y.F., Y.Z., M.J., M.P., C.X., F.L., X.W., L.L.); and Yizhun Medical AI Co., Ltd., Beijing, China (Z.W., G.W., X.J., Y.L.).