Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size remains mildly enlarged but stable . The mediastinal or hilar contours are similar , with tortuosity and diffuse calcifications of the thoracic aorta again noted . As before , there is prominence of the right paratracheal stripe which is attributable to the presence of tortuous vessels and mediastinal lipomatosis as seen on the prior CT of the chest from ___ . Lateral pleural thickening at the lung bases bilaterally is again noted , unchanged . Streaky airspace opacities in lung bases may reflect atelectasis though aspiration or infection can not be excluded . No pleural effusion or pneumothorax is visualized . There is no pulmonary vascular congestion . A nephrostomy catheter is noted on the lateral view .
    OUTPUT:
    
No significant interval change from the prior exam . Mild bibasilar airspace opacities which may reflect atelectasis though infection or aspiration can not be excluded .