Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . New heterogeneous right infrahilar opacity is consistent with lower lobe pneumonia . Some right pleural effusion may be present although the basal pleural interface reflects the normal contour . An apparent bulge in the mid portion of the right basal interface seen on the lateral view , is actually superimposition of the stomach and splenic flexure . Widening of the mediastinum and obliteration of the right p ; aratracheal stripe could be due to adenopathy or fat deposition . Heart size is normal .
    OUTPUT:
    
Right lower lobe pneumonia . Possible mediastinal adenopathy . Repeat radiographs are a necessity in no more than 4 weeks , sooner if the clinical situation deteriorates .