Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . The lungs appear hyperinflated and hyperlucent compatible with underlying emphysema . There is subtle opacity in the posterior lung base on the lateral projection which could represent a very early pneumonia . No additional consolidation . No large effusion or pneumothorax . Cardiomediastinal silhouette appears stable in within normal limits . Bony structures are intact .
    OUTPUT:
    
Emphysema with new subtle opacity in the posterior lung base could represent a very early pneumonia .