The results indicated that SPP1 expression had significant correlations with resting mast cells in 7 types of cancer, with macrophages in 21 types of cancer, with neutrophils in 10 types of cancer, with B cell in 6 types of cancer, with DC in 5 types of cancer, with CD8 in 5 types of cancer, and with monocytes in 5 types of cancer (Table S8). Here, CD8A is linked to cancer.