CD8A and lung cancer: It was positively related to the infiltration of Tcm and Tgd, but negatively to T helper cells, neutrophils, aDC, NK CD56bright cells, DC, iDC, NK cells, Th1 cells, pDC, CD8+ T cells, TFH, Tem, eosinophils, macrophages and Th17 cells in lung cancer (Figure 5B, p < 0.05).