Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a left supraclavicular central venous line that ends in the mid SVC and an abandoned left subclavian catheter fragment ending in the low SVC , present until at least ___ . There has been interval improvement of the right lower lobe opacification with residual scarring and atelectasis consistent with patient 's history of right lower lobe wedge resection . The linear left lower lobe opacities likely represent scarring or atelectasis and appear stable compared to ___ , however are slightly increased compared to the ___ exam . No new focal consolidations are seen . There is no pneumothorax . There are no pleural effusions . There is mild cardiomegaly , stable compared to exam dating back to ___ . The mediastinum remains widened , likely due to mediastinal lipomatosis , better characterized on the CT from ___ .
    OUTPUT:
    
Interval improvement of the right lower lobe pneumonia . Stable bibasilar atelectasis and scarring .