Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes remain low . Streaky linear opacities at the left base are overall unchanged and consistent with atelectasis . Opacification at the right base is probably due to atelectasis as well given the low lung volumes . There is no large pleural effusion or pneumothorax . Cardiomediastinal silhouette is stable .
    OUTPUT:
    
Low lung volumes and bibasilar atelectasis is overall similar to the prior examination .