LTB and hepatocellular carcinoma: We found that ITM2A (Figure 12A), LTB (Figure 12B), TNFRSF4 (Figure 12C), and TNFRSF18 (Figure 12D) were significantly overexpressed in hepatocellular carcinoma cell lines (Hep3B and Huh7) relative to normal liver cell lines (HL-7702).