Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . The cardiac , hilar and mediastinal contours are normal . No pleural abnormality is seen . Of note , there is dextroscoliosis of the upper thoracic spine and levoscoliosis of the lower thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary process . S - shaped scoliosis of the thoracic and lumbar spine .