Objective To explore the role of protein expression of DNA methyltransferase 1(DNMT1) in lung adenocarcinoma carcinogenesis and prognosis.

• 目的检测肺腺癌中DNA甲基转移酶1(DNMT1)蛋白水平的表达,探讨其在肺腺癌发生中的作用及其预后价值。