Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest are provided . Since the prior exam , there has been interval worsening in the left upper lobe consolidation which is most compatible with pneumonia . The right lung remains clear . Overall , heart size appears unchanged . No pneumothorax . Bony structures are intact .
    OUTPUT:
    
Increasing consolidation in the left upper lobe is concerning for worsening pneumonia .