Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube ends approximately 2 .5 cm above the carina . A nasoenteric tube enters the stomach with the tip not visualized . A left chest wall pacer lead project over the right atrium and right ventricle , as expected . There are bilateral chest tubes . Right projects over the lower right cardiac border and left chest tube projects over the inferior mid cardiac border . There is no large pleural effusion . A right pneumothorax measures approximately 13 mm . There is extensive subcutaneous emphysema . Lung volumes are low .
    OUTPUT:
    
Persistent small to moderate pneumothorax . Bilateral chest tubes project over the inferior heart border , unclear where tips are positioned .