[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. ( MSH )]
UMLS (NCI) C0008340 - Congenital Abnormality
- Disease or Syndrome
Relation/PAR: Common Bile Duct Diseases
cyst