Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . The heart size is normal . Mediastinal and hilar contours are unremarkable . The pulmonary vascularity is normal . Minimal bibasilar atelectasis is seen . Trace blunting of the costophrenic sulci bilaterally likely suggest trace pleural effusions . No pneumothorax is identified , and no acute osseous abnormalities are seen .
    OUTPUT:
    
Low lung volumes with mild bibasilar atelectasis and trace bilateral pleural effusions .