Molecular epidemiology study of programmed death ligand 1 and ligand 2 protein expression assessed by immunohistochemistry in extensive-stage small-cell lung cancer.

Front Oncol · 2023 · PMC10807038 · PMID 38269020

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did not reach statistical significanceno p-value reported

PD-L2 expression was not associated with OS in patients with gastric cancer; patients with PD-L1/PD-L2 coexpression had better OS, although this did not reach statistical significance ( 41 ).

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