Ascariasis of the biliary system.
D000368:Aged; D001196:Ascariasis / Q000000981:diagnostic imaging; D001660:Biliary Tract Diseases / Q000000981:diagnostic imaging; D002758:Cholangiography; D005260:Female; D005506:Food Contamination; D006801:Humans; D008297:Male; D008875:Middle Aged