Application of pleural effusion cell blocks for immunohistochemistry and EGFR gene mutation testing for advanced lung cancer.

Exp Ther Med · 2026 · PMC12598691 · PMID 41220903

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did not reach statistical significanceno p-value reported

Whereas EGFR gene mutations tended to show differences in patients stratified by age and smoking history, the results did not reach statistical significance ( Table II ).

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