Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest radiograph . Moderate to large right and small left pleural effusions are unchanged from 1 day prior , increased from ___ . Aside from accompanying atelectasis , the lungs are clear without pneumothorax . The heart and mediastinal contours as well as postsurgical changes are unchanged .
    OUTPUT:
    
Unchanged moderate - to - large right and small left pleural effusion from 1 day prior .