[1] Nanjing Univ, Sch Med, Drum Tower Hosp, Ctr Comprehens Canc, Nanjing, Peoples R China
[2] Nanjing Univ, Clin Canc Inst, Nanjing, Peoples R China
[3] Nanjing Univ Chinese Med, Nanjing Drum Tower Hosp, Clin Coll Tradit Chinese & Western Med, Ctr Comprehens Canc, Nanjing, Peoples R China
[4] Nanjing Univ, Sch Med, Gen Surg Dept, Nanjing, Peoples R China
[5] Nanjing Univ, Clin Canc Inst, Nanjing, Peoples R China