Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacemaker / AICD device is noted with leads terminating in the right atrium and right ventricle . Low lung volumes are present . There is mild enlargement of the cardiac silhouette which is unchanged . Mediastinal and hilar contours are stable . Bibasilar interstitial opacities are re - demonstrated , compatible with chronic interstitial lung disease . No large pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Low lung volumes with bibasilar interstitial opacities compatible with chronic interstitial lung disease .