Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to prior radiograph and CT , there is no relevant change . The lungs are clear but hyperinflated . Cardiomediastinal silhouette and hilar contours are unremarkable . Multiple wedge - shaped compression deformities of the thoracic spine are unchanged .
    OUTPUT:
    
Hyperinflation without evidence of pneumonia .