title: [Tumorous obstruction of the trachea as the initial manifestation of cancer of the esophagus].
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000556:secondary*; D004417:Dyspnea / Q000209:etiology; D004938:Esophageal Neoplasms / Q000175:diagnosis; D006801:Humans; D008297:Male; D008875:Middle Aged; D014134:Tracheal Neoplasms / Q000556:secondary*
vernacular_title: Obstrucción tumoral de la traquea como primera manifestación de cáncer de esófago.