ELF3 and hepatocellular carcinoma: ELF3-AS1 expression was associated with infiltration of CD8 T cells, cytotoxic cells, eosinophils, neutrophils, NK cells, Tcm, Th17 cells, Treg, aDC, B cells, macrophages, NK CD56bright cells, T cells, TFH, and Th2 cells in HCC.