Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest shows increased opacity identified at the left lung base and in the perihilar region with associated air bronchograms . The right lung is grossly clear . Cardiomediastinal silhouette is difficult to assess given adjacent consolidation in the lung . Osseous and soft tissue structures are grossly unremarkable .
    OUTPUT:
    
Left lower and potentially upper lobe regions of consolidation , which may represent pneumonia in the appropriate clinical setting . PA and lateral may also help further assess . Recommend repeat after treatment to document resolution .