Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . The heart size is borderline enlarged with a left ventricular predominance , unchanged . The aorta is moderately tortuous , with the mediastinal and hilar contours appearing unchanged . Pulmonary vasculature is normal and the lungs are clear . No pleural effusion , focal consolidation or pneumothorax is present . Mild multilevel degenerative changes are re - demonstrated in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .