As shown in Figure 6, in general, pdcd1lg2 expression was moderate positively and significantly associated with the amount of multiple infiltrating immune cells in various cancers, including CD8+T cell, DC, monocyte, Treg, CAF, and endothelial cell and weak positively and significantly related with the abundance of neutrophil, and γ/δT cell. The gene discussed is PDCD1LG2; the disease is cancer.