6Audisio RA,Bozzetti F,Gennari R,et al.The surgical management of elderly cancer patients.Eur J Cancer,2004,40:926-938.
7Evers BM,Townsend CM Jr,Thompson JC.Organ physiology of age.Surg Clinc North Am,1994,74:23-39.
8Fang W,Igaki H,Tachimori Y,et al.Three-filed lymph node dissection for esophageal cancer in elderly patients over 70 years of age.Ann Thorac Surg,2001,72:867-871.
9Poon RT,Law SYK,Chu KM,et al.Esophagectomy for carcinoma of the esophagus in the elderly.Results of current surgical management.Ann Surg,1998,227:357-364.
10Ginsberg RJ.Cancer treatment in the elderly.J Am Coll Surg,1998,227:427-428.
