Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate - to - large right pleural effusion and mild bibasilar atelectasis . The mediastinal silhouette and hila are normal . There is no change from ___ . There is no pulmonary edema . Moderate degenerative changes of the thoracic spine are seen .
    OUTPUT:
    
Moderate - to - large right pleural effusion and bibasilar atelectasis , no change from ___ .