Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right internal jugular central venous catheter is unchanged with the tip in the mid SVC . An endotracheal tube is borderline high at the level of the clavicles , approximately 6 .5 cm from the carina , similar to the prior exam . An enteric tube courses below the diaphragm with the tip out of field of view . Since the prior exam , the lung volumes have improved . There is persistent bibasilar atelectasis . No new opacities identified . There is no pleural effusion or pneumothorax . The aorta is tortuous and calcified , similar to prior exams . The cardiomediastinal silhouette is otherwise normal .
    OUTPUT:
    
Improved lung volumes ; otherwise , no significant change from the prior exam .