Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube terminates 5 .4 cm above the carina . Cardiomediastinal and hilar contours are within normal limits . Clear lungs . No pneumothorax .
    OUTPUT:
    
Endotracheal tube terminates 5 .4 cm above the carina . No pneumothorax .