Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size , mediastinal , and hilar contours are normal . A 7 - 8 mm nodule in the right lower lung is unchanged since ___ . There are no new effusions or focal opacifications concerning for pneumonia . Bibasilar streaky opacities and thickened bronchial walls are unchanged since ___ , and may reflect chronic bronchitis or bronchiectasis .
    OUTPUT:
    
1 . No focal consolidation concerning for pneumonia . 2 . Unchanged bibasilar bronchial wall thickening may reflect chronic bronchitis or bronchiectasis .