Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Assessment is somewhat limited by kyphotic positioning . Heart size remains mildly enlarged . The aorta is diffusely calcified and tortuous , as seen previously . Mediastinal and hilar contours are otherwise unchanged . Pulmonary vasculature is not engorged . Lungs are hyperinflated with emphysematous changes again noted . Lungs are otherwise clear . No pleural effusion or pneumothorax is present . Multilevel moderate degenerative changes are again noted in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .