Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are provided . The lungs are hyperinflated with chronic changes of bullous emphysema . There is no focal consolidation to suggest the presence of pneumonia . No effusion or pneumothorax . The cardiomediastinal silhouette is stable . Bony structures are intact .
    OUTPUT:
    
Bullous emphysema with no superimposed pneumonia .