Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is top normal . The aorta is mildly tortuous . Mediastinal and hilar contours are otherwise unchanged . No pneumomediastinum is present . Lungs are hyperinflated with flattening of the diaphragms compatible with underlying COPD . No focal consolidation , pleural effusion or pneumothorax is present . No subdiaphragmatic free air is present . Bridging anterior osteophytes are re - demonstrated in the thoracic spine compatible with DISH .
    OUTPUT:
    
COPD . No acute cardiopulmonary abnormality otherwise demonstrated including no subdiaphragmatic free air or definite pneumomediastinum .