TERT and cholangiocarcinoma: The Sankey diagram further showed the relationship between these tumors and TS subtypes: the TS‐CB and CC subtypes were mainly derived from TERT+ tumors, and TS‐CA was from both TERT+ and TERT−/ALT− tumors, whereas ALT+ tumors were evenly distributed among three TS subtypes (Fig. 9C).