Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 2 views were obtained of the chest . The lungs are low in volume but clear . There is no pleural effusion or pneumothorax . The heart is normal in size with normal cardiomediastinal contours . S - shaped thoracolumbar scoliosis is noted . Lumbar spine hardware incompletely assessed . Due to technique , the thoracic vertebral body heights are poorly assessed .
    OUTPUT:
    
No acute intrathoracic process .