title: ROENTGENOGRAM OF THE MONTH.
mesh_terms: D003937:Diagnosis, Differential; D006322:Heart Aneurysm; D006801:Humans; D013902:Radiography, Thoracic; D013898:Thoracic Injuries
keywords: DIAGNOSIS, DIFFERENTIAL; HEART ANEURYSM; THORACIC INJURIES; THORACIC RADIOGRAPHY