Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Spine portable AP view of the chest was provided . The endotracheal tube is seen with its tip residing approximately 2 .4 cm above the carina . An NG tube courses into the left upper abdomen with its tip excluded from view . The lungs appear grossly clear . No large effusion or supine evidence for pneumothorax is seen . Cardiomediastinal silhouette appears normal . The imaged osseous structures are intact .
    OUTPUT:
    
Appropriately positioned tubes . Otherwise , unremarkable .