preferred_name: Extrahepatic Bile Duct Biliary Intraepithelial Neoplasia
preferred_name_lc: extrahepatic bile duct biliary intraepithelial neoplasia
label: Extrahepatic Bile Duct Biliary Intraepithelial Neoplasia
label_lc: extrahepatic bile duct biliary intraepithelial neoplasia