Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube has been pulled back , now 6 .5 cm above the carina . The lungs are well expanded and clear . No pneumothorax or pleural effusion . Enteric tube courses below the diaphragm and out of view .
    OUTPUT:
    
1 . No radiographic evidence of acute cardiopulmonary abnormality . 2 . Endotracheal tube now 6 .5 cm above the carina . It should not be withdrawn any further .