Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal view of the chest was obtained . Left - sided subclavian central venous catheter is again seen terminating at the distal SVC / cavoatrial junction . The lungs remain hyperinflated with flattening of the diaphragms . As compared to the prior study , there is increased opacification in the right lung base which could be due to infection / or aspiration . No focal consolidation is seen in the left . There is slight increased blunting of the right costophrenic angle which could be due to pleural thickening , although trace pleural effusion may be present . The cardiac silhouette is not enlarged . The mediastinal contours are unremarkable .
    OUTPUT:
    
1 . COPD . 2 . Increased right lung base opacity concerning for pneumonia which could be due to infection and / or aspiration , with possible trace right pleural effusion . Recommend followup to resolution in this patient with emphysema .