CD4 and bladder transitional cell carcinoma: MALAT1 correlated with T-cell NK, Tregs, T-cell follicular helper, T-cell CD8+, T-cell CD4+, T-cell CD4+ (nonregulatory), T-cell CD4+ naïve, T-cell CD4+ central memory, and T-cell CD4+ effector memory except for T-cell CD4+ memory activated and T-cell CD4+ Th2 (negative correlation) in BLCA.