NCAM1 and cancer: The comparative analysis of the percentage of occurrence and expression level of the studied TLRs on CD3-CD56+ and CD3+CD56+cells in patients with diffuse and intestinal GC compared to HV was conducted in the next step to assess differences in immune activation between individual histopathological types of cancer, which, as indicated by the literature, may be of significant importance for understanding the mechanisms of the immune response and disease progression.