Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of right pleural catheter with associated decreased size of right pleural effusion , with residual moderate sized effusion . Small Left pleural effusion is slightly increased . There is improved aeration of the right lower lobe . There is mild pulmonary vascular congestion . Bibasilar opacities likely reflect atelectasis . Calcification is heavy at the aortic arch . Cardiomediastinal silhouette is obscured by pleural effusions .
    OUTPUT:
    
Moderate right pleural effusion has decreased in size following interval placement of right pleural catheter . Small left pleural effusion is slightly increased .