Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided demonstrate hyperinflated lungs with coarsened interstitial markings compatible with underlying emphysema , better assessed on prior CT trachea / chest from ___ . There is no superimposed consolidation , effusion or pneumothorax . The cardiomediastinal silhouette is stable . Bony structures are intact . No free air is seen below the right hemidiaphragm .
    OUTPUT:
    
Emphysema without superimposed pneumonia .