Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette is mildly enlarged and unchanged from ___ . Postoperative appearance of the mediastinal silhouette and hilar contour is stable . Small left greater than right pleural effusions with associated bibasilar atelectasis is unchanged . There is no pneumothorax .
    OUTPUT:
    
Persistent left greater than right small pleural effusions with bibasilar atelectasis .