title: Cavited mass in a patient with sudden onset dyspnea.
authors.affiliation: Servicio de Medicina Interna, Hospital Universitario La Paz, Madrid, España.
authors.forename: A
authors.initials: A
authors.lastname: Mangas-Moro
authors.affiliation: Servicio de Medicina Interna, Hospital Universitario La Paz, Madrid, España. Electronic address: bdiazp@salud.madrid.org.
authors.forename: B
authors.initials: B
authors.lastname: Díaz-Pollán