Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube terminates approximately 6 .7 cm above the level of the carina . Enteric tube courses below the diaphragm , out of the field - of - view . Re - demonstrated is extensive severe bilateral subcutaneous emphysema . Evidence of pneumomediastinum is also re - demonstrated . Bibasilar opacities persist , possibly due to aspiration and / or infection . It is difficult to assess for right - sided pneumothorax ca n't can not exclude the presence of a small right pneumothorax . Right chest tube is not well seen .
    OUTPUT:
    
Right chest tube not well seen . Persist in extensive , severe diffuse bilateral subcutaneous emphysema . This overlying artifact makes evaluation for small right pneumothorax suboptimal . Pneumomediastinum . Persistent bibasilar opacities .