PD-L1 expression is a favorable prognostic factor in early stage non-small cell carcinoma

作者: Wendy A. Cooper , Thang Tran , Ricardo E. Vilain , Jason Madore , Christina I. Selinger

DOI: 10.1016/J.LUNGCAN.2015.05.007

关键词: Tissue microarrayCarcinomaLung cancerPredictive markerOncologyMedicineImmune checkpointStage (cooking)Biomarker (medicine)Internal medicineImmunohistochemistry

摘要: Objectives Immune checkpoint blockade using inhibitors of programmed death-1 have shown promise in early phase clinical trials in NSCLC and programmed death-ligand 1 (PD-L1) tumoral expression could potentially be a useful predictive marker. Data reporting the prevalence of PD-L1 expression in NSCLC and clinicopathologic associations is very limited. We sought to determine the frequency of PD-L1 expression in NSCLC and investigate associations with clinicopathologic features and patient outcome. Materials and …

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