Consistency of O6-methylguanine-DNA methyltransferase in intracranial and extracranial lesions and the therapeutic effect of temozolomide in patients with advanced lung cancer and brain metastasis.

e14001Background: Targeted drugs have made a major breakthrough except small cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC) of brain metastasis (BM) patients with negative driving g...