Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable semi upright view of the chest . Endotracheal tube is been placed with its tip located approximately 4 .9 cm above the carina . An NG tube courses into the left upper abdomen . The lungs appear clear . Cardiomediastinal silhouette is unchanged . Bony structures are intact .
    OUTPUT:
    
ETT tip positioned 4 .9 cm above the carina . NG tube positioned with tip in the stomach .