Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top normal . Aorta remains tortuous . Mediastinal and hilar contours are otherwise unremarkable . Lungs are clear . No pleural effusion or pneumothorax is visualized . No acute osseous abnormalities demonstrated . There are mild degenerative changes in the thoracic spine . Cholecystectomy clips is seen in the right upper quadrant .
    OUTPUT:
    
No acute cardiopulmonary abnormality .