Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: On the background of emphysema there has been minimal interval increase of bilateral diffuse reticular opacities with a perihilar predominance when compared with recent radiograph . There is a focus of more confluent consolidation in the right lower lobe . There is no pleural effusion or pneumothorax . Mild - to - moderate cardiomegaly is stable .
    OUTPUT:
    
1 . Confluent consolidation in the right lung base is compatible with right lower lobe pneumonia . 2 . Mildly worsened pulmonary edema on the background of emphysema . 3 . Bilateral upper lobe nodules seen on prior CT can not be properly assessed with this examination .