Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Slight prominence of the interstitial markings at the lung bases likely correspond to patient 's known chronic interstitial lung disease . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiomediastinal silhouette is stable .
    OUTPUT:
    
Slight increase in interstitial markings at the lung bases likely corresponds to patient 's known chronic interstitial lung disease . No definite acute cardiopulmonary process .