title: [Image of the month. "The jewels of the crown"].
authors.affiliation: Service de Pneumologie, CHU Sart-Tilman.
authors.forename: B
authors.initials: B
authors.lastname: Duysinx
authors.forename: M
authors.initials: M
authors.lastname: Carpentier
authors.forename: M
authors.initials: M
authors.lastname: Nguyen
authors.forename: J L
authors.initials: JL
authors.lastname: Corhay
authors.forename: P
authors.initials: P
authors.lastname: Bartsch
mesh_terms: D000368:Aged; D001999:Bronchoscopy / Q000379:methods; D003442:Crowns; D005547:Foreign Bodies / Q000000981:diagnostic imaging* / Q000601:surgery; D006801:Humans; D013902:Radiography, Thoracic