ARID1A and intrahepatic cholangiocarcinoma: The main ICC gene mutations reported in the somatic mutation database Catalogue of Somatic Mutations in Cancer (COSMIC) (http://www.sanger.ac.uk/cosmic, accessed on 21 December 2023) are Kirsten rat sarcoma viral oncogene homolog (KRAS), tumor protein p53 (TP53), and ARID1A.