Background: The prognostic role of thyroid transcription factor-1 (TTF-1) expression in lung cancer has been assessed but with inconsistent results. The present study aimed to evaluate the prognostic value of TTF1 expression in advanced non-squamous non-small cell lung cancer (NSCLC).
Materials And Methods: In this retrospective study, patients with stage IIIB-IV non-squamous NSCLC were enrolled.