Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are increased lung volumes with flattening of the diaphragms compatible with known history of emphysema . There is mild bibasilar atelectasis . The cardiomediastinal silhouette and hilar contours are stable . There is no pleural effusion or pneumothorax . Visualized upper abdomen is unremarkable . Osseous structures are grossly intact .
    OUTPUT:
    
No evidence of acute cardiopulmonary process . Hyperinflated lungs compatible history of emphysema .