Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is minimal bibasilar atelectasis . The cardiomediastinal silhouette , hilar contours , and pleural surfaces are normal . There is no pleural effusion or pneumothorax . Visualized upper abdomen is unremarkable . No displaced rib fractures or other bony abnormality detected .
    OUTPUT:
    
Mild bibasilar atelectasis . No acute fracture identified .