Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen , are increased interstitial markings , most pronounced in the subpleural region , not significantly changed from the prior study . There is no focal consolidation . Cardiomediastinal silhouette is stable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Unchanged increased interstitial markings , consistent with a background of interstitial lung disease . No focal consolidation .