Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low limiting assessment . Bibasilar opacities may represent atelectasis . Coarsened reticular markings are noted with mild hilar prominence which can be seen in the setting of pulmonary interstitial edema . The possibility of underlying fibrotic lung disease is not excluded . No large effusion or pneumothorax is seen . The heart size can not be assessed . The mediastinal contour is stable with aortic atherosclerotic calcifications again noted . There is no free air beneath the right hemidiaphragm . There is evidence of prior kyphoplasty in the upper thoracic spine with multiple compression fractures in the thoracic spine appearing stable .
    OUTPUT:
    
Limited exam with probable mild interstitial edema .