Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are stable , with the heart in the upper limits of normal . The lungs are clear without consolidation , pleural effusion , or pneumothorax . There is S - shaped scoliosis of the thoracolumbar spine with exaggerated thoracic kyphosis . Mild degenerative changes are seen in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary radiographic abnormality .