Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is tortuous . The mediastinal and hilar contours are unremarkable . The pulmonary vasculature is normal . Lungs are clear . There is no pleural effusion or pneumothorax . No acute osseous abnormalities detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality .