Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Extremely low lung volumes are again noted with crowding of the bronchovascular markings . There are persistent bibasilar opacities which could represent any combination of atelectasis and effusion with possible superimposed infection . Superiorly the lungs are clear of consolidation . The cardiomediastinal silhouette is grossly unchanged . No acute osseous abnormalities .
    OUTPUT:
    
Extremely low lung volumes with crowding of the bronchovascular markings and likely bibasilar atelectasis . Super imposed infection would be possible . Repeat exam with improved aeration may help further assess .