Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest are compared to previous exam from ___ . New from prior is left basilar opacity in the left lower lobe . Elsewhere , the lungs are clear . Cardiac silhouette is enlarged but stable . Median sternotomy and mediastinal clips and aortic valve replacement are noted . Osseous and soft tissue structures are otherwise unremarkable .
    OUTPUT:
    
Left lower lobe consolidation compatible with pneumonia . Repeat after treatment suggested to document resolution .