作者单位Department of Radiology, Sir Run Run Shaw Hospital, Medical College of Zhejiang University, Hangzhou 310016, China;Department of Radiology, Lishui Center Hospital, Lishui 323000,Zhejiang Province, China[1]Department of Radiology, Sir Run Run Shaw Hospital, Medical College of Zhejiang University, Hangzhou 310016, China[2]Department of Radiology, Lishui Center Hospital, Lishui 323000,Zhejiang Province, China[3]