Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The aorta is tortuous . Mediastinal and hilar contours are otherwise unremarkable . Chronic elevation of left hemidiaphragm is again noted . Lungs are clear . Pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is present . No acute osseous abnormalities seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .