Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are noted . Endotracheal tube tip is approximately 5 .5 cm from the carina . There are bibasilar opacities , likely atelectasis . Superiorly the lungs are clear . Cardiac silhouette is likely accentuated by AP technique with low lung volumes . No acute osseous abnormalities .
    OUTPUT:
    
Low lung volumes with bibasilar opacities , likely atelectasis . Infection can not be excluded .