Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . Again seen are extensive pulmonary abnormalities including multifocal bronchiectasis and scarring predominantly in both upper lobes , similar in distribution to the CT of ___ . However , in the right upper lobe overlying the fissure , there is an area of increased opacity , compared to the earlier chest radiograph of ___ , it is unclear if this represents worsening fibrosis or pneumonia superimposed on chronic lung changes . No pleural effusion or pneumothorax is seen .
    OUTPUT:
    
Chronic changes of pulmonary fibrosis due to underlying sarcoidosis . Focal area of increased opacification in the right upper lobe compared to the earlier study of ___ , could represent worsening fibrosis versus superimposed pneumonia . Recommended followup chest radiographs after treatment to assess resolution .