Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are unchanged , with the heart size within normal limits . There is diffuse calcification of the thoracic aorta . Pulmonary vascularity is normal . Lungs are hyperinflated but clear . No focal consolidation , pleural effusion or pneumothorax is seen . No acute osseous abnormalities are detected .
    OUTPUT:
    
No acute cardiopulmonary process .