Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior radiograph there has been reaccumulation of the pleural effusions bilaterally , moderate to large on the left and mild on the right . There is adjacent compressive atelectasis . No pneumothorax identified . The cardiac silhouette is largely obscured by the adjacent pleural effusions . Again noted is calcification of the mitral annulus .
    OUTPUT:
    
Moderate to large left and small right pleural effusions , increased since the prior radiograph .