1. Department of Interventional Radiology, Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
2. Department of Interventional Radiology, Tumor Hospital Affiliated with Guizhou Medical University, Guiyang, Guizhou 550000, P.R. China
3. Department of Interventional Radiology, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China