Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are low lung volumes with vascular engorgement and thickened septal lines compatible with acute congestive failure . In this context , assessment for focal consolidation is limited . Bibasilar atelectasis is likely present . No definite pleural effusion or pneumothorax is seen . The heart is stably enlarged with a single - lead pacer unchanged in appearance .
    OUTPUT:
    
Mild - to - moderate congestive failure . If concern for infectious process , consider diuresis and repeat imaging to assess for subtle pneumonia .