NCAM1 and gastric cancer: The findings indicated a positive association between TPBG expression in individuals with stomach cancer and the presence of macrophages, mast cells, eosinophils, Natural Killer cells (NKs), CD56+ NKs, neutrophils, immature dendritic cells (iDCs), and effective memory T (Tem) cells, while a negative association with Cytotoxic T cells (CTLs), B cells, Plasmacytoid dendritic cells (pDCs), T helper 2 (Th2) cells, and regulatory T cells (Tregs) (Figure 7A).