Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are extremely low resulting in crowding of the bronchovascular markings . Bibasilar opacities , most likely represent atelectasis . No large pleural effusion or pneumothorax is seen . Mild degree of pulmonary edema is present .
    OUTPUT:
    
Extremely low lung volumes with bibasilar opacities , likely atelectasis . Mild pulmonary edema .