Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is borderline enlarged , unchanged . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is not engorged . No focal consolidation , pleural effusion or pneumothorax is seen . Low lung volumes are demonstrated with minimal streaky bibasilar atelectasis present . No pleural effusion or pneumothorax is clearly evident . Extensive widespread osseous metastatic disease is again noted .
    OUTPUT:
    
Low lung volumes with mild bibasilar atelectasis .