Liver transplantation in the management of cholangiocarcinoma: Evolution and contemporary advances

Figure 1 Classification of cholangiocarcinoma[62,71]. A: Anatomical classification of cholangiocarcinoma: Intrahepatic cholangiocarcinoma-proximal to second order bile ducts; Perihilar cholangiocarcinomas-between second order branches of right and/or left hepatic ducts and cystic duct confluence; Distal cholangiocarcinoma-between cystic duct confluence and Ampulla of Vater; B: Bismuth Corlette Classification of perihilar cholangiocarcinoma, https://creativecommons.org/licenses/by-sa/4.0/deed.en. Citation: Borakati A, Froghi F, Bhogal RH, Mavroeidis VK. Stereotactic radiotherapy for intrahepatic cholangiocarcinoma. World J Gastrointest Oncol 2022; 14: 1478-1489 [PMID: 36160742 DOI: 10.4251/wjgo.v14.i8.1478] and Wikimedia Commons. File: Bismuth corlette classification for perihilar cholangiocarcinomas.svg. 2020 Oct 9 [visited 3 February 2023]. Available from: https://commons.wikimedia.org/wiki/File:Bismuth_corlette_classification_for_perihilar_cholangiocarcinomas.svg.

Figure 2 Mayo clinic protocol for liver transplantation in hilar cholangiocarcinoma. EUS: Endoscopic ultrasound; FNA: Fine needle aspiration; CA-19-9: Carbohydrate antigen 19-9; FISH: Fluorescence in situ hybridization.