Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a moderate to large left pleural effusion , significantly increased as compared to the prior study . Small right pleural effusion is stable to possibly minimally increased . There is decreased aeration of the lungs . The mediastinal contours are grossly stable . Assessment of the cardiac silhouette is difficult to to the bibasilar opacities . Had a of the ostia structures again it is consistent with known metastases .
    OUTPUT:
    
Increase in size of left pleural effusion , now moderate to large . Small right pleural effusion may be slightly increased . Bibasilar opacities likely relate to pleural effusions and atelectasis although underlying consolidation is difficult to entirely exclude .