Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size , mediastinal and hilar contours are normal . No focal areas of consolidation are present within the lungs , and there are no pleural effusions or pneumothoraces . Numerous healed and / or healing rib fractures are present in the right hemithorax . Mild curvature of the spine may be positional or may reflect mild scoliosis .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Post-traumatic changes in the right hemithorax as described .