Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are moderately well inflated with minimal bibasilar linear atelectasis . No pulmonary edema . No pleural effusions . Mild cardiomegaly with postsurgical changes projecting over the mediastinum remain unchanged . Diffuse demineralization , with unchanged dextro convex curvature of the thoracic spine .
    OUTPUT:
    
No pulmonary edema . Minimal bibasilar linear atelectasis . Rest of the findings are unchanged compared to the prior radiograph .