Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Patchy opacities in both lower lungs have decreased substantially leaving only streaky lingular opacities suggesting minor atelectasis in the lingula and along the right infrahilar zone . Elsewhere the lungs remain clear . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Improved areas of probable atelectasis .