Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation is identified . There is mild prominence of interstitial markings , unchanged since prior studies . The cardiomediastinal silhouette and hilar contours are normal . There is no pleural effusion or pneumothorax . There is scarring at the right lung apex . A percutaneous catheter projects over the right upper quadrant . Visualized upper abdomen is unremarkable . Osseous structures are grossly intact .
    OUTPUT:
    
Mild interstitial edema . No focal consolidation .