KIT and intrahepatic cholangiocarcinoma: The light blue category primarily focuses on the electrophysiological aspects of ICC, involving keywords like “electrical rhythmicity” and “slow waves,” indicating a greater emphasis on the role of ICC in the electrical activity of the gastrointestinal tract and its importance as pacemaker cells The orange category mainly deals with the pathological identification of ICC, with keywords like “kit positive cells” and “human colon,” indicating research into ICC in different types of cells and the human colon.