Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC line terminates in the low SVC . Lungs are hyperinflated with moderate to severe emphysema . Left lower lobe opacities have significantly increased in density since ___ , and right lower lobe opacity is of slightly improved . No pleural effusion or pneumothorax .
    OUTPUT:
    
Increasing density of left infrahilar airspace opacities since ___ concerning for worsening pneumonia .