Objective To evaluate the efficacy and safety of gefitinib in the treatment of elderly patients with advanced non-small cell lung cancer (NSCLC).

目的 观察吉非替尼单药治疗对晚期非小细胞肺癌 （NSCLC） 老年患者的效果和安全性。

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To evaluate the clinical efficacy and the security of erlotinib in the treatment of elderly patients with advanced non-small cell lung cancer and COPD.

评价单药厄洛替尼治疗晚期非小细胞肺癌合并COPD患者的疗效和安全性。

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