1. he First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350005, P.R. China
2. The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, Fujian 350025, P.R. China
3. Department of Diagnostic Radiology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, P.R. China