Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are stable low lung volumes bilaterally . There is some interval resolution of the right lung atelectasis previously seen . The left lower lobe is now clear . Cardiomediastinal silhouette is stable . Pleural surfaces are unremarkable . Fractured rib is not appreciated on this radiograph and falls outside the field of view .
    OUTPUT:
    
Persistent low lung volumes with interval resolution of bibasilar atelectasis . No evidence of infection .