Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Monitoring and supporting devices are in standard position , unchanged since prior study . Bilateral mild - to - moderate pleural effusions with hazy opacification of bilateral hemithoraces is unchanged . Heart size , mediastinal and hilar contours are normal . No demonstrable pneumothorax . Engorgement of pulmonary vessels suggesting increased venous pressure is similar in appearance .
    OUTPUT:
    
Bilateral mild - to - moderate pleural effusions , unchanged .