Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The aorta remains tortuous . The mediastinal and hilar contours are otherwise unremarkable . The pulmonary vascularity is normal . The lungs are clear . No pleural effusion , focal consolidation or pneumothorax is visualized . Dextroscoliosis of the thoracic spine is again noted with multilevel degenerative changes .
    OUTPUT:
    
No acute cardiopulmonary abnormality .