FAM20C and bladder transitional cell carcinoma: In addition, FAM20C is associated with the infiltration levels of CD4+ T cells, macrophages, neutrophils, and dendritic cells in the tumor microenvironment of bladder urothelial carcinoma, lower-grade glioma, and stomach adenocarcinoma, indicating that FAM20C may affect the degree of immune infiltration and the activation of different immune cells, thus influencing cancer progression through tumor microenvironment.33