Prognosis following the initiation of various immune checkpoint inhibitor therapies in TTF-1-negative non-small cell lung cancer.
PURPOSE Even though thyroid transcription factor-1 (TTF-1)-negative non-squamous non-small cell lung cancer (NSCLC) is associated with a poor prognosis, the optimal treatment regimens have not been established. We conducted this multicenter retrospective study to evaluate the association between specific treatment choi...