PD-L1 expression in cerebrospinal fluid for leptomeningeal metastasis from solid tumors: preliminary assessment of clinical implications.

Front Immunol · 2025 · PMC12515682 · PMID 41089694

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closest p

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did not reach statistical significanceno p-value reported

However, this difference did not reach statistical significance, and due to the limited sample size, the results should be interpreted as exploratory.

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