Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single - lead pacemaker device terminates in the right ventricle . The heart is normal in size . The mediastinal and hilar contours appear within normal limits . The chest is hyperinflated . A patchy opacity in the lingula suggests pneumonia , not extensive but seen in two views .
    OUTPUT:
    
Findings suggesting pneumonia in the lingula .