As shown in Figure 3, there were no differences for the expression of activating receptors including CD16, NKp30, NKp44, NKp46, CD38, CD94 and inhibitory receptors including NKG2A, TIGIT, PD-1, Tim-3, LAG-3, CD158a/h, CD158b on these cells in non-tumor and tumor tissues. This evidence concerns the gene KLRD1 and neoplasm.