Choledochal cyst.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003137:Common Bile Duct Diseases / Q000145:classification / Q000175:diagnosis* / Q000453:epidemiology; D003560:Cysts / Q000145:classification / Q000175:diagnosis* / Q000453:epidemiology; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D013785:Thailand