Sequential PD-1 inhibitor after adjuvant radiotherapy for postoperative oral cancer: a propensity score matching retrospective cohort study.

Front Oncol · 2026 · PMC13215798 · PMID 42222399

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did not reach statistical significanceno p-value reported

Compared to the control group, the 5-year OS rate (57.5% vs 50.6%, P = 0.205) and 3-year OS rate (70.8% vs 61.8%, P = 0.366) in the PD-1 inhibitor group showed a numerical improvement, but the difference did not reach statistical significance.

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