Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is an ET tube which is approximately 5 cm from the carina at the clavicular junction . Lung volumes are slightly low . Cardiomediastinal silhouette is unremarkable . There is no focal opacity , pleural effusion or pneumothorax . The osseous structures are intact .
    OUTPUT:
    
ET tube approximately 5 cm above the carina .