Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The underlying trauma backboard limits evaluation . The tip of the endotracheal tube is 3 .9 cm from the carina . A nasogastric tube is in the stomach . The lungs are clear . No pneumothorax or pleural effusion is present . Cardiac silhouette , hilar and mediastinal contours appear normal .
    OUTPUT:
    
Satisfactory ET tube positioning . NG tube in the stomach . No evidence for traumatic injury .