NTRK1 and non-small cell lung carcinoma: The result showed that naïve CD4 T cells (P < 0.01) were more abundant in NTRK1 and NTRK2 MT NSCLC, while the infiltration levels of other immune cells in NTRK1 MT or NTRK2 MT NSCLC were comparable with corresponding WT NSCLC (all P > 0.05) (Fig. 5B-C).