Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest was obtained . The lungs are hyperinflated . Retrocardiac left base scarring / atelectasis is seen . No focal consolidation , large pleural effusion , or evidence of pneumothorax is seen . The cardiac silhouette is not enlarged . The mediastinal contours are unremarkable .
    OUTPUT:
    
Hyperinflated lungs . No focal consolidation seen .