Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate mildly prominent pulmonary vasculature . Lung volumes are low and there is are linear bibasilar opacities . The heart size is top normal in size and atherosclerotic calcifications are seen in the aortic arch . There are no large pleural effusions . There is no pneumothorax .
    OUTPUT:
    
No definite acute cardiopulmonary process . Bibasilar opacities suggestive of atelectasis given low lung volumes on the frontal exam .