Author information:
(1)State Key Laboratory of Oncology in South China, Department of Medical 
Oncology, Sun Yat-sen University Cancer Center, Collaborative Innovation Center 
for Cancer Medicine, Guangzhou.
(2)Department of Medical Oncology, The First Affiliated Hospital, School of 
Medicine, Zhejiang University, Hangzhou.
(3)Laboratory of Carcinogenesis & Translational Research for the Ministry of 
National Education, Department of GI Oncology, Peking University School of 
Oncology, Beijing Cancer Hospital & Institute, Beijing.
(4)Department of Medical Oncology, Chinese PLA General Hospital & Chinese PLA 
Medical Academy, Beijing.
(5)Department of Oncology, Tongji Hospital, Huazhong University of Science and 
Technology, Wuhan.
(6)The State Key Laboratory of Biotherapy, Department of Abdominal Cancer, West 
China Medical School, Cancer Center, West China Hospital, Sichuan University, 
Chengdu.
(7)Department of Internal Medicine, Affiliated Cancer Hospital of Zhengzhou 
University, Henan Cancer Hospital, Zhengzhou.
(8)Department of Medical Oncology, Linyi Cancer Hospital, Linyi.
(9)Department of Medical Oncology, Fudan University Shanghai Cancer Center, 
Shanghai; Department of Oncology, Shanghai Medical College, Fudan University, 
Shanghai.
(10)Department of Medical Oncology, Fujian Medical University Union Hospital, 
Fuzhou.
(11)Department of Medical Oncology, Harbin Medical University Cancer Hospital, 
Harbin.
(12)Department of Oncology, Nanjing Medical University Affiliated Cancer 
Hospital, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, 
Nanjing.
(13)Department of Gastrointestinal Oncology, Tianjin Cancer Hospital, Tianjin.
(14)Department of Medical Oncology, The First Hospital of China Medical 
University, Shenyang.
(15)Department of Medical Oncology, The First Hospital of Jilin University, 
Changchun.
(16)Department of Oncology, Jiangsu Provincial Hospital, Nanjing.
(17)Digestive Medical Oncology, Cancer Hospital of Shantou University Medical 
College, Shantou.
(18)Department of Medical Oncology, Shanghai General Hospital, Shanghai Jiao 
Tong University School of Medicine, Shanghai.
(19)State Key Laboratory of Oncology in South China, Department of 
Ultrasonography, Sun Yat-sen University Cancer Center, Collaborative Innovation 
Center for Cancer Medicine, Guangzhou.
(20)Shanghai Junshi Biosciences Co., Ltd, Shanghai, China.
(21)State Key Laboratory of Oncology in South China, Department of Medical 
Oncology, Sun Yat-sen University Cancer Center, Collaborative Innovation Center 
for Cancer Medicine, Guangzhou. Electronic address: xurh@sysucc.org.cn.