Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . The lungs are hyperinflated with upper lobe lucency and splaying of bronchovascular markings suggestive of emphysema . No focal consolidation , large effusion or pneumothorax . Cardiomediastinal silhouette is stable . Bony structures are intact peer
    OUTPUT:
    
Emphysema without superimposed pneumonia .