Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of endotracheal tube which terminates 5 cm above the carina . Round lucency overlying the cervical spine may be overly inflated endotracheal tube balloon . Right jugular line is unchanged . Moderate to severe pulmonary edema is slightly improved compared to ___ . Cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Round lucency overlying the cervical spine may be overly inflated endotracheal tube balloon . Endotracheal tube terminates 5 cm above the carina .