In addition, the expression level of YY1 was significantly negatively correlated with the infiltration level of CD8+ T lymphocytes in 12 kinds of cancer tissues, the infiltration level of neutrophils in 11 kinds of cancer tissues, the infiltration level of macrophages in 8 kinds of cancer tissues, and the infiltration level of dendritic cells in 12 kinds of cancer tissues. Here, CD8A is linked to cancer.