Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . There are bibasilar opacities which may represent atelectasis or aspiration in the appropriate clinical setting . Background mild pulmonary vascular congestion is also noted . Bilateral pleural effusions are stable to minimally improved . No pneumothorax . Heart size is moderately enlarged . Pacer leads terminate in the right atrium and right ventricle , as expected . Right chest tube appears unchanged in position .
    OUTPUT:
    
1 . Stable pulmonary vascular congestion . 2 . Small bilateral pleural effusions , stable to minimally improved . 3 . Bibasilar opacities , atelectasis or aspiration .