Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube has been retracted , now with tip projecting in a more optimal position , 3 .0 cm above the carina . Pulmonary edema is persistent . No new pneumothorax . Cardiac silhouette is unchanged .
    OUTPUT:
    
The endotracheal tube now terminates in a more optimal position , 3 .0 cm above the carina .