Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are slightly low . There is mild bibasilar atelectasis . Cardiomediastinal silhouette is stable . There is mild pulmonary vascular congestion without frank pulmonary edema . Small bilateral pleural effusions , right greater than left are unchanged . There is no pneumothorax .
    OUTPUT:
    
Unchanged small bilateral pleural effusions , right greater than left . Pulmonary vascular congestion without frank pulmonary edema .