Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube ends 5 cm above the carinal . A nasogastric tube ends in the stomach . The lung volumes are low which causes crowding of the bronchovascular structures . The heart size is normal . The mediastinal contours are slightly widened which may be due to technique .
    OUTPUT:
    
The endotracheal tube is in appropriate position .