Department of Interventional Medicine, China-Japan Friendship Hospital, No. 2 Ying-hua-yuan Street, Chao-yang District, Beijing, 100029, China. Department of Pathology, China-Japan Friendship Hospital, No. 2 Ying-hua-yuan Street, Chao-yang District, Beijing, 100029, China. Department of Interventional Medicine, China-Japan Friendship Hospital, No. 2 Ying-hua-yuan Street, Chao-yang District, Beijing, 100029, China. yma301@163.com.