Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . The cardiomediastinal silhouette is unchanged . Again noted is tortuosity of the thoracic aorta . In the right infrahilar region , there is a opacity which was not definitively seen on prior examination though this may be related to technique and poor inspiration . Opacity is also seen in the posterior portion of the chest on the lateral view . In the appropriate clinical context , this may represent pneumonia .
    OUTPUT:
    
Right middle lobe / left lower lobe pneumonia in the appropriate clinical context .