Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . The heart size is borderline enlarged . The aorta is calcified and tortuous . Mediastinal and hilar contours are otherwise unremarkable . Pulmonary vasculature is not engorged . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is demonstrated . Moderate degenerative changes are noted in the thoracic spine with osteophyte formation .
    OUTPUT:
    
No acute cardiopulmonary abnormality .