title: Syphilitic aortic aneurysm: a rare case of tracheomalacia.
mesh_terms: D000785:Aneurysm, Infected / Q000150:complications* / Q000601:surgery; D017545:Aortic Aneurysm, Thoracic / Q000150:complications* / Q000601:surgery; D002357:Cartilage Diseases / Q000209:etiology* / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D013587:Syphilis / Q000150:complications* / Q000601:surgery; D014133:Tracheal Diseases / Q000209:etiology* / Q000601:surgery