Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable supine view of the chest . The tip of the endotracheal tube resides 2 .3 cm above the carina . Lower lung opacities likely represent atelectasis though can not exclude aspiration . Lung volumes are low . No overt edema . No supine evidence for effusion or pneumothorax . Bony structures appear grossly intact .
    OUTPUT:
    
Appropriately positioned endotracheal tube . Bibasilar opacities likely atelectasis and / or aspiration .