Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable supine view of the chest . The Lung bases are excluded . The endotracheal tube is seen with its tip residing 3 .8 cm above the carina . The NG tube courses inferiorly though the tip is excluded from view though note is made of the distal side port in the region of the esophagus . The imaged portions of the lungs appear clear the . The imaged portion of the heart appears enlarged of this may be due to technique . No definite bony abnormality .
    OUTPUT:
    
Lower chest excluded limiting evaluation for position of the nasogastric tube tip . ET tube positioned appropriately .