Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild enlargement of the cardiac silhouette is re - demonstrated . The mediastinal and hilar contours are unchanged with tortuosity of the thoracic aorta again noted . Pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is present . There is no subdiaphragmatic free air . No acute osseous abnormalities detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No subdiaphragmatic free air .