title: Choledochal cyst--report of 4 cases.
mesh_terms: D000293:Adolescent; D000328:Adult; D002675:Child, Preschool; D003137:Common Bile Duct Diseases / Q000175:diagnosis*; D003560:Cysts / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male