Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Study is essentially unchanged from immediately prior study dated ___ . Middle lobe and lingular infiltrate are once again observed and essentially unchanged . There has been a slight interval decrease of bilateral pleural effusions . No new areas of consolidation are appreciated . No pneumothorax . The cardiomediastinal silhouette is stable and within normal limits .
    OUTPUT:
    
Unchanged bilateral pneumonia with decreased pleural effusions .