The frequency of FGFR2 rearrangements in ICC found in our epidemiology study (6.14%) was slightly lower than that found in FIGHT‐202 and other studies conducted in foreign countries (9%–16%),12, 13, 14, 26, 27, 28 but consistent with that found in studies of Chinese patients (5.2%–20%).15, 16, 17, 29, 30. The gene discussed is FGFR2; the disease is intrahepatic cholangiocarcinoma.