Diagnosis of adult choledochal cyst.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002760:Cholangiopancreatography, Endoscopic Retrograde; D003137:Common Bile Duct Diseases / Q000175:diagnosis*; D003560:Cysts / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D014463:Ultrasonography