肺癌的发病率逐年增加,大部分患者在确诊时已属进展期,其中年龄大于70岁的老年患者又占有较大比例。这部分患者器官功能减弱,不能耐受强烈化疗,而且肺癌的生物学行为也会随增龄而改变,因此有必要探索新的治疗方法。化疗对老年患者虽取得一定疗效,但对于是选择联合化疗还是选择单 The incidence of lung cancer increased year by year, most of the patients have been diagnosed at the advanced stage, of which older than 70 years old accounted for a large proportion of elderly patients. This part of the patient’s organ function weakened, can not tolerate strong chemotherapy, and biological behavior of lung cancer will change with age, it is necessary to explore new treatments. Chemotherapy for elderly patients have achieved some efficacy, but for the choice of chemotherapy or a single choice