Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Patient with known interstitial lung disease . Allowing for slight differences in technique , there has been no significant interval change in extensive interstitial reticular opacity compatible with known ILD . No convincing evidence of a superimposed pneumonia , effusion or pneumothorax . Overall cardiomediastinal silhouette is stable . Bony structures appear intact .
    OUTPUT:
    
Extensive interstitial opacity consistent with interstitial lung disease .