CD4 and cancer: Consistently, in STAD, we analyzed that CD93 shows a great correlation with macrophage/monocyte, neutrophil, T cell CD8+, myeloid dendritic cell, T cell CD4+, endothelial cell, cancer-associated fibroblast, B cell, T cell follicular helper, NK cell activated, mast cell activated, macrophage M2, T cell regulatory, NK cell, hematopoietic cell, T cell CD4+ Th1, and common lymphoid progenitor by using TIMER, EPIC, MCPCOUNTER, CIBERSORT, QUANTISEQ, and xCELL algorithms.