For instance, c-Myc protein expression in the peripheral blood NK cells in patients with lung cancer (n = 7) (MFI: 375 ± 52) and gastric cancer (n = 12) (MFI: 406 ± 47) were similarly and significantly (*** p < 0.001 and *** p < 0.001, respectively) reduced when compared with expression of c-Myc protein in NK cells from healthy donors (n = 10) (MFI: 4574 ± 1446). This evidence concerns the gene MYC and gastric cancer.