There was no significant difference in overall survival between groups low and high ARID1A expression in ICC (HR = 0.702, 95% CI [0.397–1.242]) and ECC (HR = 1.278, 95% CI [0.645–2.532]) (Figs. 1C–1D). The gene discussed is ARID1A; the disease is intrahepatic cholangiocarcinoma.