Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The aorta is mildly unfolded with diffuse calcifications . Lungs are clear . The pulmonary vasculature is normal . No focal consolidation , pulmonary edema , pleural effusion , or pneumothorax is identified . No acute osseous abnormality is identified . There are mild degenerative changes within the thoracolumbar spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .