Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . The heart size is mildly enlarged with a left ventricular predominance . The aorta is tortuous and demonstrates atherosclerotic calcifications . Mediastinal and hilar contours are otherwise unremarkable . Lungs are clear without focal consolidation . The pulmonary vasculature is normal . No pleural effusion or pneumothorax is seen . Mild degenerative changes are noted within the imaged thoracolumbar spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .