Objective: To analyze the aberrant methylation of death-asscciated protein kinase (DAPK) gene in blood from non-small cell lung cancer (NSCLC) patients and to evaluate its clinical significance.

• 目的:分析非小细胞肺癌(NSCLC)患者血清中死亡相关蛋白激酶(DAPK)基因启动子区域甲基化的改变状况及其临床意义。