a new classification is proposed , based on previous reports and the present study : a1 ) choledochal cyst , a2 ) choledochal diverticulum , a3 ) choledochocele , b ) biliary cyst of the main hepatic ducts , c ) intrahepatic and extrahepatic cyst , and d ) caroli 's disease ( intrahepatic biliary cysts ) .
C0008340
choledochocele
C0162510
caroli 's disease