Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette is normal . There is no pleural effusion or pneumothorax . Lung volumes are low . There are patchy bibasilar opacities . There is no acute osseous abnormality .
    OUTPUT:
    
Patchy bibasilar opacity which likely represent bronchovascular crowding in the setting of low lung volumes . Minimal pulmoanry interstitial congestion is another possibility