Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . No focal consolidation , pleural effusion or pneumothorax is seen . Mild prominence of interstitial markings in both lungs , predominantly in the left lower lung , likely relates to the known interstitial lung disease .
    OUTPUT:
    
No acute abnormality . Mild interstitial abnormality , better assessed on prior CT .