Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been no significant interval change from the prior study . There is mild enlargement of cardiac silhouette which is stable . The mediastinal and hilar contours are unchanged , with tortuosity and calcifications of the thoracic aorta again noted . Fullness of the right paratracheal stripe is also unchanged , and compatible with tortuous vessels and mediastinal lipomatosis as demonstrated on prior chest CT from ___ . There are persistent bibasilar airspace opacities . Lateral pleural thickening at the lung bases is unchanged . There is no pulmonary edema , pleural effusion or pneumothorax . Degenerative changes in the thoracic spine are again noted .
    OUTPUT:
    
No significant interval change from the prior study . Continued bibasilar airspace opacities which could reflect atelectasis , infection or aspiration .