CD4 and hepatocellular carcinoma: In HCC, high expression of SLC1A5 correlated positively with the extent of infiltration of B cells (r = 0.399; p = 1.38e-14), CD8+ cells (r = 0.395; p = 3.39e-14), CD4+ cells (r = 0.407; p = 3.94e-15), macrophages (r = 0.567; p = 2.17e-30), neutrophils (r = 0.438; p = 1.29e-17), and DC (r = 0.51; p = 6.45e-24).