Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is seen . Interstitial abnormality has increased . Enlarged cardiac silhouette appears similar compared to prior . A right upper mediastinal vascular stent is again noted . Aortic calcifications are seen .
    OUTPUT:
    
Increased interstitial abnormality , which most likely represents edema .