Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP chest radiograph . Lung volumes are low , which accentuate the pulmonary vasculature , particularly in the right hilum . However , there are no signs of pulmonary edema . Left basilar atelectasis is noted . There is no pneumothorax . The heart size is normal .
    OUTPUT:
    
Left basilar atelectasis . No overt signs of pulmonary edema .