[1] Shanghai Jiao Tong Univ, Sch Med, Ruijin Hosp, Dept Gen Surg, Shanghai, Peoples R China
[2] Shanghai Jiao Tong Univ, Sch Med, Ruijin Hosp, Shanghai Inst Digest Surg, Shanghai, Peoples R China
[3] Mem Sloan Kettering Canc Ctr, Human Oncol & Pathogenesis Program, New York, NY 10021 USA
[4] Fudan Univ, Huashan Hosp, Dept Gen Surg, Shanghai, Peoples R China
[5] Fudan Univ, Shanghai Canc Ctr, Dept Colorectal Surg, Shanghai, Peoples R China
[6] Naval Med Univ, Changhai Hosp, Dept Colorectal Surg, Shanghai, Peoples R China