Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No acute change or new consolidation . The right subpleural wedge - shaped and right hilar opacities are consistent with known carcinoma and hilar lymphadenopathy , unchanged from ___ . Bilateral lower lobe predominant reticular nodular interstitial abnormality is unchanged , better assessed on chest CTA from ___ . Right upper lung and retrocardiac lucencies are consistent with underlying emphysema . Left chest wall pacemaker is unchanged in appearance .
    OUTPUT:
    
No acute change . However , given substantial underlying lung abnormalities it is difficult to completely exclude infection .