Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is mildly enlarged . The aorta is mildly tortuous . Pulmonary vascularity is normal . Hilar contours are unremarkable . Lungs are clear . No pleural effusion or pneumothorax is visualized . No acute osseous abnormality seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .