Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated , suggestive of emphysematous changes . Interstitial markings are consistent with chronic lung disease or mild pulmonary vascular congestion . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is unremarkable . Good heat
    OUTPUT:
    
No acute findings .