Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and show mild pulmonary vascular congestion with interstitial opacities . The cardiac silhouette is enlarged . The mediastinal silhouette and hilar contours are normal . No definite pleural effusions are present .
    OUTPUT:
    
Mild interstitial edema with pulmonary vascular congestion .