Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Patient has known mediastinal and hilar lymphadenopathy , better seen on recent CT . There has been improvement in the opacities in the upper lobes and the right middle lobe . Chronic changes of fibrosis in the upper lobes are noted . No new findings .
    OUTPUT:
    
1 . No acute processes . 2 . Previously seen faint opacities in the upper lobes and the right middle lobe have improved . 3 . Residual chronic fibrotic changes in the upper lobes are noted . 4 . Known lymphadenopathy .