Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . Coarse reticular opacities extend across both lungs , unchanged over multiple prior chest radiographs . There is no pneumothorax , focal consolidation , or pleural effusion . The heart size is normal . The hilar and mediastinal contours are within normal limits .
    OUTPUT:
    
Bilateral widespread coarse reticular opacities with chronic hyperinflation , compatible with chronic interstitial disease . No superimposed acute process detected .