Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The mediastinal and hilar contours are unchanged , with aortic knob calcifications again demonstrated . The pulmonary vascularity is normal . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is visualized . Diffuse demineralization of the osseous structures is again noted with wedge compression deformities of a few mid and lower thoracic vertebral bodies again demonstrated .
    OUTPUT:
    
No acute cardiopulmonary abnormality .