Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . The heart size is normal . The hilar mediastinal contours are within normal limits . A right thoracostomy tube is present . Small bilateral pleural effusions are minimally changed since the CT examination on ___ . No superimposed consolidation or pneumothorax is detected .
    OUTPUT:
    
Unchanged small bilateral pleural effusions . No pneumothorax .