1. From the Department of Radiology, Guangdong Hospital of Traditional Chinese Medicine, Zhuhai 519000, China (P.H., T.L., L.H., H.L., M.L., W.X., X.H., J.C.); and Department of Radiology, Guangdong Hospital of Traditional Chinese Medicine, No. 111 Dade Rd, Guangzhou 510000, China (B.L.).