Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest is compared to previous exam from ___ . The lungs are hyperinflated . There are diffusely increased interstitial markings seen throughout the lungs bilaterally , but no confluent consolidation . Lateral costophrenic angles are sharp . Cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
Diffuse increased interstitial markings throughout both lungs suggestive of chronic lung disease .