CD8A and cancer: Specifically, the level of cancer-associated fibroblasts (Figure 5B), endothelial cells (Figure 5C), M2 macrophages (Figure 5D), and stroma score (Figure 5E) was higher in the high-risk group, while the expression of CD8+ T cells (Figure 5F) and T follicular helper (Tfh) cells (Figure 5G) was higher in the low-risk group.