Department of Medical Oncology;
the Second Affiliated Hospital of Zhejiang University School of Medicine;
Hangzhou 310009;
China;
Key Laboratory of Carcinogenesis and Translational Research(Ministry of Education/Beijing);
Department of Gastrointestinal Oncology;
Peking University Cancer Hospital&Institute;
Beijing 100142;
China;
departm ent of Colorectal Surgery;
Sun Yat-sen University Cancer Center;
Guangzhou 510060;
China;
Department of Radiology;
Peking University Peopled Hospital;
Beijing 100044;
China;
departm ent of Pathology;
Fudan University Shanghai Cancer Hospital;
Shanghai 200032;
China;
Department of Colorectal Surgery;
Fudan University Shanghai Cancer Hospital;
Shanghai 200032;
China;
Department of Medical Oncology;
Cancer Hospital;
Chinese Academy of Medical Sciences&Peking Union Medical College;
Beijing 100021;
China;
Depaitment of Radiation Oncology;
Fudan University Shanghai Cancer Hospital;
Shanghai 200032;
China;
departm ent of Medical Oncology;
Sun Yat-sen University Cancer Center;
Guangzhou 510060;
China;
Department of Medical Oncology;
Shanghai East Hospital;
Tongji University School of Medicine;
Shanghai 200123;
China;
n Department of Surgical Oncology;
the Second Affiliated Hospital of Zhejiang University School of Medicine;
Hangzhou 310009;
China;
