title: [Image of the month].
authors.affiliation: Unidad de Cirugía Hepatobiliopancreática, Servicio de Cirugía General y Digestivo, Hospital Universitario de La Princesa, Madrid, España.
authors.forename: Elena
authors.initials: E
authors.lastname: Martín
authors.forename: Pedro
authors.initials: P
authors.lastname: Martos
authors.forename: José L
authors.initials: JL
authors.lastname: Martín
authors.forename: Jesús
authors.initials: J
authors.lastname: Olivera
mesh_terms: D000328:Adult; D002758:Cholangiography; D017081:Cholecystectomy, Laparoscopic / Q000379:methods*; D002769:Cholelithiasis / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male