Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The overlying trauma board limits evaluation . An endotracheal tube ends approximately 4 .5 cm above the carina . The lung volumes are low , but no focal consolidation , pleural effusion or pneumothorax is seen . The cardiomediastinal contours are normal . No displaced rib fracture is seen .
    OUTPUT:
    
No acute cardiopulmonary process . Endotracheal tube in appropriate position , terminates 4 .5 cm above carina .