摘要

<正>1文献来源Wu YL,Cheng Y,Zhou X,et al. Dacomitinibversus Gefitinib as first-line treatment for patientswith EGFR-mutation-positive non-small-cell lungcancer (ARCHER 1050):A randomised, open-label,phase 3 tria[lJ]. Lancet Oncol,2017,18(11):1454-1466.2证据水平1b。3背景·EGFR突变是晚期非小细胞肺癌(non-small