Department of Radiology, Tangdu Hospital, the Fourth Military Medical University, Xi'an, Shaanxi 710038, China;
Department of Radiology, Tangdu Hospital, the Fourth Military Medical University, Xi'an, Shaanxi 710038, China;
Department of Radiology, Tangdu Hospital, the Fourth Military Medical University, Xi'an, Shaanxi 710038, China;
Department of Radiology, 422 Military Hospital, Zhanjiang,Guangdong 524000, China;
Department of Radiology, Tangdu Hospital, the Fourth Military Medical University, Xi'an, Shaanxi 710038, China;
Department of Radiology, Tangdu Hospital, the Fourth Military Medical University, Xi'an, Shaanxi 710038, China;