Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single supine view of the chest . Low lung volumes again seen although somewhat improved from prior . Persistent bibasilar streaky opacities are identified . The cardiomediastinal silhouette is stable . Left chest wall vagal nerve stimulator is identified . Chronic changes centered at the right lateral aspect of the clavicle .
    OUTPUT:
    
Streaky bibasilar opacities her potentially due to atelectasis given the low lung volumes however underlying aspiration or infection are possible .