Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal and hilar contours are unchanged with the heart size within normal limits . Pulmonary vasculature is normal . Lungs are clear . No pleural effusion , pneumothorax , or focal consolidation is present . No acute osseous abnormalities seen . Mild S - shaped scoliosis of the thoracic spine is re - demonstrated .
    OUTPUT:
    
No acute cardiopulmonary abnormality .