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TTF-1 expression in lung adenocarcinoma: clinicopathologic, genomic, and immunophenotypic correlates and outcomes to immunotherapy-based treatments and KRASG12C inhibitors
Thyroid transcription factor-1 (TTF-1) expression, routinely assessed through immunohistochemistry
(IHC) in the diagnostic evaluation of lung adenocarcinomas (LUAD), is negative (TTF-1Neg)
in ∼15-20% ...