In contrast, high LGG tumor expression of CD226, CD244, CRTAM, KIR2DL4, NCR1, or NCR3 encoding the DNAM-1, 2B4, CRTAM, NKp46 and NKp30 NK cell receptors, respectively, were not associated with prognosis (Supplementary Figure 4). This evidence concerns the gene KLRD1 and neoplasm.