LRFN4 and esophageal cancer: Hepatocellular carcinoma (LIHC): Significant positive correlations were observed between LRFN4 and various immune cell types (T cells, CD8+ T cells, cytotoxic lymphocytes, B lineage cells, NK cells, monocytic lineage cells, myeloid dendritic cells, endothelial cells, and fibroblasts).Esophageal cancer (ESCA): Correlations were found with T cells, CD8+ T cells, B lineage cells, and myeloid dendritic cells.