Ziman Xiong1, Yaqi Shen2, Zhen Li1, Xuemei Hu1, Daoyu Hu1. 1. Department of Radiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang avenue, Qiaokou District, Wuhan, 430030, Hubei, China. 2. Department of Radiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang avenue, Qiaokou District, Wuhan, 430030, Hubei, China. yqshen@hust.edu.cn.