title: Hepatic hydatid disease: findings on endoscopic retrograde cholangiography.
mesh_terms: D002760:Cholangiopancreatography, Endoscopic Retrograde; D002769:Cholelithiasis / Q000175:diagnosis; D003937:Diagnosis, Differential; D004444:Echinococcosis, Hepatic / Q000175:diagnosis* / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged