Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Widespread interstitial reticular and coarse opacities throughout both lungs reflect underlying chronic interstitial disease , better seen on ___ examination and unchanged since the ___ radiographs . No superimposed consolidation , pneumothorax , or effusion is detected . The heart size remains normal . The hilar and mediastinal contours remain within normal limits . Mild atherosclerotic calcifications are seen throughout the thoracic aorta . There is a slight cobblestone appearance to the gastric mucosa , which could represent gastritis in the appropriate clinical setting .
    OUTPUT:
    
1 . Chronic interstitial disease . No superimposed consolidation detected . 2 . Cobblestone appearance of the gastric mucosa is nonspecific , but could represent gastritis in the appropriate clinical setting .