3Edge SB,Byrd DR,Compton CC,et al.AJCC Cancer StagingManual[M].7th ed.New York:Springer,2009:1-744.
4黄国俊.食管癌外科的回顾和展望[G].西安:第5届全国食管癌学术会议论文汇编,1998:1-3.
5Dutkowski P,Hommel G,Bottger T,et al.How many lymph nodes are needed for an accurate pN classification in esophageal cancer? Evidence for a new threshold value[J].Hepatogastroenterology,2002,49:176-180.
6Tachibana M,Kinugass S,Yoshimura H,et al.Clinical outcome of extended esophageal with three 2 field lymph node dissection for esophageal squamous cell carcinoma[J].Am J Surg,2005,189(1):98-109.
7UICC Staff.TNM Classification of Malignant Tumors.5th ed.NY:Wilay-hiss,1997.