title: A 77-year-old man with worsening shortness of breath.
authors.affiliation: Department of Medicine and Radiology, Rhode Island Hospital, Brown University School of Medicine, Providence 02903, USA.
authors.forename: J P
authors.initials: JP
authors.lastname: McCormick
authors.forename: G F
authors.initials: GF
authors.lastname: Abbott
authors.forename: R P
authors.initials: RP
authors.lastname: Millman
mesh_terms: D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000150:complications / Q000000981:diagnostic imaging*; D004417:Dyspnea / Q000209:etiology*; D006801:Humans; D008297:Male; D014057:Tomography, X-Ray Computed; D014132:Trachea / Q000000981:diagnostic imaging; D014134:Tracheal Neoplasms / Q000150:complications / Q000000981:diagnostic imaging*