Expression of programmed death-ligand 1 protein in head and neck squamous cell carcinoma and its clinicopathological correlates
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The ability to escape immune surveillance is a hallmark of malignancy. Programmed death ligand 1 (PD-L1) facilitates tumor progression by binding to the immune inhibitory receptor known as programmed cell death protein 1 (PD1) on immune cells, resulting in sup... ...
