Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are present . There is mild to moderate enlargement of heart size . The aorta is slightly tortuous and demonstrates mild calcification . The pulmonary vascularity is not engorged . The lungs are grossly clear . No pleural effusion or pneumothorax is detected . There is diffuse demineralization of the osseous structures with evidence of prior kyphoplasty of a lower thoracic / upper lumbar vertebral body .
    OUTPUT:
    
Low lung volumes . No acute cardiopulmonary abnormality .