| umls-concept:C0008340 | skos:definition | MSH: A congenital anatomic malformation of a bile duct, including cystic dilatation of the extrahepatic bile duct or the large intrahepatic bile duct. Classification is based on the site and type of dilatation. Type I is most common.,NCI: Congenital cystic dilatation of the hepatic duct or bile duct. | lld:umls |
