Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are moderately well inflated with a reticular pattern predominately involving the lower lobes consistent with history of interstitial lung disease . Heterogeneous pleural - based right upper lobe opacity with associated rounded lucency centrally is unchanged from ___ with possible progression of its superior most component since ___ . No new opacity .
    OUTPUT:
    
1 . Persistent pleural - based right upper lobe opacity with central lucency is similar to ___ with possible progression of superior aspect since ___ . Findings may represent recurrent pneumonia however given persistence over multiple studies adenocarcinoma is on the differential . 2 . Diffuse interstitial lung disease , better assessed on CT chest from ___ .