after these findings , we think that congenital hepatic fibrosis , congenital cystic dilatations of the intrahepatic bile ducts ( caroli 's disease ) , choledochal cyst and other nonobstructive dilatations of the extrahepatic biliary tree are possibly the same congenital disease with different levels of involvement .
C0162510
caroli 's disease
C0008340
choledochal cyst