title: ERCP diagnosis of a gallbladder diverticulum.
mesh_terms: D000328:Adult; D002760:Cholangiopancreatography, Endoscopic Retrograde; D004240:Diverticulum / Q000000981:diagnostic imaging*; D005260:Female; D005705:Gallbladder Diseases / Q000000981:diagnostic imaging*; D006801:Humans