Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Supine portable AP view of the chest was provided . A nasogastric tube is seen with its tip projecting over the mid chest region , likely in the mid esophagus . Advancement by at least 20 cm is recommended . The lungs appear clear . Cardiomediastinal silhouette is normal . Bony structures are intact .
    OUTPUT:
    
Malpositioned NG tube with tip at the level of the mid esophagus . ETT not seen .