Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes low and the lungs are clear . Mediastinal contours and hila are normal . The cardiac silhouette is mildly enlarged . No pneumothorax or pleural effusion . Scoliosis of the thoracic spine is moderate . No other osseous abnormality is identified on this nondedicated study .
    OUTPUT:
    
Moderate thoracic scoliosis . No rib abnormality seen . Dedicated rib series could be obtained to further evaluate for subtle chest wall abnormalities in the area of focal clinical tenderness .