Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were performed . The lungs are hyperexpanded from known emphysema . Consolidation at the lung base , side indeterminate , is best appreciated on the lateral view , si There is no pleural effusion or pneumothorax . The cardiac silhouette remains mildly enlarged . The mediastinal contours are unchanged . Degenerative changes of the shoulders are appreciated . The bones are osteopenic .
    OUTPUT:
    
Recurrent lower lobe pneumonia . Followup radiographs in 6 weeks are recommended to document resolution .