Other mutations including Isocitrate Dehydrogenase 1 (IDH1), IDH2, Fibroblast Growth Factor Receptor 1 (FGFR1), FGFR2, FGFR3, Ephrin Type‐A Receptor 2 (EPHA2), BRCA1‐Associated Protein 1 (BAP1), and Neuroblastoma RAS (NRAS) were found in iCCA cases. This evidence concerns the gene FGFR1 and infantile convulsions and choreoathetosis.