近年来对肺癌的免疫功能研究颇受重视 ,但大多研究仅限于某个细胞功能。为此我们选择了外周血 T淋巴细胞亚群、自然杀伤细胞 (NKC)活性和淋巴细胞转化率作为免疫指标 ,综合研究了 134例老年肺癌患者的细胞免疫功能 ,以期为肺癌的免疫治疗提供理论依据。1　对象与方法1.1　 对象 In recent years, much attention has been paid to the study of immune function of lung cancer, but most of the studies are limited to a certain cell function. To this end, we selected peripheral blood T lymphocyte subsets, natural killer cells (NKC) activity and lymphocyte transformation as an immune index, a comprehensive study of 134 elderly patients with lung cancer cell immune function, with a view to providing theory for the immunotherapy of lung cancer in accordance with. 1 objects and methods 1.1 object