CD8A and gastric adenocarcinoma: The expression of 17 markers (Th1 cells, macrophages, neutrophils, Tem, DC, NK cells, iDC, mast cells, NK CD56dim cells, pDC, CD8+ T cells, eosinophils, cytotoxic cells, Tfh, aDC, Treg, and T cells) had significant positive correlations with SERPINE1 expression in STAD, and Th17 cells expression was significantly negatively associated with SERPINE1 expression in STAD (Figure 10D and Supplementary Table S4).