Zhongzhi Jia1, Jinwei Zhao1, Guomin Jiang2. 1. Department of Interventional Radiography, The Second Hospital of Changzhou Affiliated to Nanjing Medical University, Chang Zhou, Jiangsu Province, China. 2. Department of Interventional Radiography, The Second Hospital of Changzhou Affiliated to Nanjing Medical University, Chang Zhou, Jiangsu Province, China. Electronic address: 747094035@qq.com.