Efficacy and safety of first-line chemoimmunotherapy versus chemotherapy alone for advanced pulmonary lymphoepithelioma-like carcinoma: a systematic review and real-world cohort study.

Front Immunol · 2026 · PMC13369242 · PMID 42459654

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a numerical trendno p-value reported

While our updated meta-analysis confirmed a definitive OS advantage, the real-world cohort demonstrated only a numerical trend.

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