Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . The heart is normal in size . The mediastinal and hilar contours are unremarkable . The lungs appear clear . There are no pleural effusions or pneumothorax . There is mild dextroconvex thoracic scoliosis .
    OUTPUT:
    
Mild dextroconvex thoracic scoliosis . No evidence of acute process .