CD4 and neoplasm: CSMD2 expression was positively correlated with the infiltration of anti-tumor immune cells (CD8+ T cells, activated memory CD4+ T cells, M1 macrophages, activated NK cells, follicular helper T cells, and gamma delta T cells) in CHOL, KIRP, THYM, and UVM, and negatively correlated with immune evasion associated cells (resting memory CD4+ T cells, T cell regulatory (Tregs), M2 macrophages and resting NK cells).