Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The final radiograph demonstrates endotracheal tube at the carina and should be retracted for better positioning . The enteric tube is beyond the diaphragm . Rotation of the radiograph alters the appearance of the cardiomediastinal silhouette . The lungs are poorly evaluated this study , but appear grossly clear .
    OUTPUT:
    
Final radiograph demonstrates the endotracheal tube at the carina , and should be retracted for better positioning .