Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . There is similar unfolding and calcification along the aorta . The mediastinal and hilar contours appear unchanged . There is no pleural effusion or pneumothorax . There is mild background coarsening of lung markings but no definite pulmonary vascular congestion or focal consolidation . There is no pneumothorax . Mild degenerative changes are similar along the mid thoracic spine . The bones are probably demineralized to some extent .
    OUTPUT:
    
No evidence of acute disease .