Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are new heterogeneous interstitial opacities in the right mid and lower lung , which do not appear to be confined to one lobe . The cardiac , hilar and mediastinal contours are normal . No pleural abnormality is seen .
    OUTPUT:
    
Heterogeneous opacities in the right mid and lower lung are compatible with pneumonia . Given the history of gastrointestinal symptoms , Legionella pneumonia is a possibility .