Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . There is micronodular opacity in the right mid lung which could represent a very early pneumonia . Otherwise the lungs appear clear . The lungs are somewhat hyperlucent with widened AP diameter of the chest which could reflect underlying emphysema . No pleural effusion or pneumothorax . Aortic calcifications noted . Heart size is normal . Bony structures are intact .
    OUTPUT:
    
Subtle micronodular opacity in the right mid lung which could represent early pneumonia . Emphysema noted .