Evaluation of Programmed Death-Ligand 1 (PD-L1) Expression and Its Correlation With Clinicopathological Parameters in Oral Squamous Cell Carcinoma: A Tertiary Care Center Study.

Cureus · 2025 · PMC12212397 · PMID 40600093

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showed a trendno p-value reported

We found a low or negative PD-L1 expression in pre-surgical biopsy specimens, while resection specimens showed a trend of higher expression.

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