Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Lungs are hyperinflated but clear . There are small bilateral pleural effusions , which are decreased in size from the prior study on ___ and definitely not increased in size since ___ . There is no pneumothorax .
    OUTPUT:
    
Small bilateral pleural effusions , not increased in size from ___ .