Our analysis of 38 types of human cancer revealed that EIF4A3 expression had a significant relationship with cell infiltration in 31 types of human cancer, with a strong correlation with B cell in 19 cancer types, CD4 T cell in 15 cancer types, CD8 T cell in 16 cancer types, neutrophil in 19 cancer types, macrophage in 17 cancer types, and DC in 23 cancer types. Here, CD4 is linked to cancer.