Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest examination , lung volumes are slightly decreased accentuating the bronchovascular structures and right hilum . The cardiac silhouette is mildly enlarged and there is mild tortuosity of the descending aorta . There is no focal consolidation , pleural effusion or pneumothorax . Surgical clips are seen overlying the expected location of the thyroid .
    OUTPUT:
    
No acute cardiopulmonary process .