Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is mildly unfolded . The mediastinal hilar contours are normal . Lungs are clear . No pleural effusion , focal consolidation or pneumothorax is present . Hypertrophic changes are noted within the mid thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .