Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable supine AP view of the chest provided demonstrates an endotracheal tube with tip positioned approximately 3 .5 cm above the carina . The NG tube courses into the left upper abdomen . There is bibasilar atelectasis . Heart and mediastinal contour appears grossly unremarkable . The bony structures appear intact .
    OUTPUT:
    
Appropriately positioned ET and NG tubes . Bibasilar atelectasis .