Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: S - shaped rotary thoracolumbar scoliosis is re-demonstrated . The cardiac silhouette is normal in size . The aorta remains tortuous . The pulmonary vascularity is normal , and the hilar contours are unremarkable . Lungs are clear . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .