Compared to Hl-7702 cells as the control, the fold change values of ARID1A RNA expression in HCC cells were 1.723 (Alex, P < 0.001), 1.831 (Huh7, P < 0.001), 2.078 (HepG2, P < 0.001), 3.011 (Bel-7402, P < 0.001), 3.516 (Hep3B, P < 0.001), 8.208 (97H, P < 0.001), and 8.412 (LM3, P < 0.001). The gene discussed is ARID1A; the disease is hepatocellular carcinoma.