Tumor hypoxia is associated with resistance to PD-1 blockade in squamous cell carcinoma of the head and neck.

J Immunother Cancer · 2021 · PMC8126285 · PMID 33986123

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of borderline significanceno p-value reported

17 PD-L1 expression was of borderline significance for OS and Treg infiltration was not predictive of response, OS, or PFS in univariate analysis ( online supplemental figure 1 ).

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