Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right upper lobe opacity has progressed since ___ and ___ . There is a new left upper lobe diffuse opacity , also involving the middle and lower lung zones to a lesser degree , concerning for infection . There is severe emphysema . There is no pleural effusion or pneumothorax . Cardiomediastinal silhouette is normal .
    OUTPUT:
    
Worsening right upper lobe and new left lung , predominantly upper lobe opacity , concerning for pneumonia .