Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The mediastinal and hilar contours are unchanged . The pulmonary vascularity is normal . Lungs are clear . No pleural effusion , focal consolidation or pneumothorax is identified . No acute osseous abnormalities are seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .