Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Again seen is widening of the AP diameter suggesting chronic obstructive lung disease . There is no evidence of focal consolidation , pleural effusion or pneumothorax . Eventration of the right hemidiaphragm is stable . The aorta is tortuous but stable .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Stable compared to ___ .