2[2]LAZZARO R,LODOVICO B.A case for geriatric oncology[J].Lancet Oncol,2002,5(3):289 -297.
3[3]SEKINE I,NISHIWAKI Y,YOKOSE T,et al.Young lung cancer patients in Japan:different characteristics between the sexes[J].Ann Thorac Surg,1999,67(5):1451.
4[4]SKARIN A T,HERBST R S,LEONG T L,et al.Lung cancer in patients under age 40[J].Lung Cancer,2001,32(3):255.
5[5]RADZIKOWSKA E,KAZIMIERZ R,PIOTR G.Lung cancer in patients under 50 years old[J].Lung Cancer,2001,33(4):203 -211.
6[6]MCDUFFIE H H,KLASSEN D J,DOSMAN J A,et al.Female-male differences in patients with primary lung cancer[J].Cancer,1987,59:1825.
7[7]NUGENT W C,EDNEY M T,HAMMERNESS P G,et al.Non-small cell lung cancer at the extremes of age:impact on diagnosis and treatment[J].Ann Thorac Surg,1997,63:193 -197.
8[8]HANS R,ANNE N,TROND E S,et al.Results of pulmonary resection for lung cancer in Norway,patients older than 70 years[J].European Journal of Cardio-thoracic Surg,2005,27 (2):325-328.
9MountainCF.Revisions in the International System for Staging Lung Cancer.Chest,1997,111:1710-1717.
10Mountain CF,McMurtrey MJ,Frazier OH.Current results of surgical treatment for lung cancer.Cancer Bull,1980,32:105-108.