Intraduodenal diverticula of the common bile duct.
D002769:Cholelithiasis / Q000150:complications; D003137:Common Bile Duct Diseases / Q000150:complications / Q000175:diagnosis*; D004240:Diverticulum / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged