title: [49-year-old man with right mediastinal mass lesion of unknown origin on chest X-ray].
authors.forename: Leonard
authors.initials: L
authors.lastname: Leifels
authors.forename: Alexey
authors.initials: A
authors.lastname: Surov
authors.forename: Gudrun
authors.initials: G
authors.lastname: Borte
mesh_terms: D065630:Hernias, Diaphragmatic, Congenital / Q000000981:diagnostic imaging / Q000601:surgery; D006801:Humans; D010535:Laparoscopy; D008297:Male; D008477:Mediastinal Diseases / Q000000981:diagnostic imaging / Q000601:surgery; D008875:Middle Aged; D013902:Radiography, Thoracic; D014057:Tomography, X-Ray Computed