Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is borderline enlarged . Mediastinal and hilar contours are unchanged with tortuosity of the thoracic aorta again noted . Lungs are clear . No pulmonary vascular congestion is seen . No focal consolidation , pleural effusion or pneumothorax is identified . Mild degenerative changes are seen in the thoracic spine . No displaced fractures are noted .
    OUTPUT:
    
No acute cardiopulmonary abnormality .