Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest . Right upper lobe parenchymal abnormality is again noted , identified as scarring on a CT from ___ . Otherwise , there is no other focal area of opacity concerning for pneumonia . The lungs are hyperexpanded with a flattened diaphragm . The cardiac and mediastinal contours are within normal limits . No pleural abnormality is detected .
    OUTPUT:
    
Chronic right upper lobe parenchymal scarring with no evidence of acute infection .