Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacer defibrillator and single lead are in unchanged position . Cardiomediastinal and hilar contours are within normal limits unstable . Lung volumes are low . There is no focal consolidation , effusion or pneumothorax . Left costophrenic pleural thickening is stable .
    OUTPUT:
    
No acute cardiopulmonary abnormality .