Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The lungs are hyperinflated . There is a region of consolidation in the lingula . There also regions of increased opacity in the retrocardiac region and at the right lung base confirmed on the lateral view . Superiorly the lungs are clear with suggestion of underlying emphysema . Cardiomediastinal silhouette is within normal limits . No acute osseous abnormality .
    OUTPUT:
    
Emphysema with regions of consolidation in the left upper lobe and potentially bilateral lower lobes compatible with pneumonia . Recommend repeat after treatment to document resolution .