Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Minimal irregular opacity in the right upper lung , unchanged since ___ is scarring with a scar . No lung opacities concerning for an active granulomatous infection . Bilateral pleural spaces are normal . Heart size is normal , mediastinal and hilar contours are unremarkable .
    OUTPUT:
    
No findings to suggest active lung infection .