Jie Wu1, Heng-Chuan Su2, Jian-Zhong Shou3. 1. Department of Urology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, People's Republic of China. 2. Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China. 3. Department of Urology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, People's Republic of China. shoujzh@126.com.