Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . An NG tube is seen coursing below the left hemidiaphragm . Left CP angle is excluded though otherwise the lungs appear clear . Cardiomediastinal silhouette appears normal . Bony structures are intact . No free air seen below the right hemidiaphragm .
    OUTPUT:
    
NG tube positioned appropriately .