Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest examination , lung volumes are decreased , accentuating the bronchovascular structures . The cardiac silhouette and mediastinal contours are normal . There is mild tortuosity of the descending aorta . There is no focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process .