Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since prior , there has been interval enlargement of the right - sided pleural effusion which is now moderate . Superiorly the right lung is clear and the left lung is clear . There is a left - sided pleural effusion . Cardiomediastinal silhouette is difficult to assess given silhouetting on the right but is not grossly changed . Tortuosity of the descending thoracic aorta is noted . No acute osseous abnormalities . Stent projects over the mid abdomen on the lateral view .
    OUTPUT:
    
Interval enlargement of moderate right - sided pleural effusion since ___ .