Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right lower lobe opacities persist and have increased since the prior study . In addition , there are new left lower lobe opacities concerning for atelectasis versus pneumonia . Heart size is top normal . No pneumothorax .
    OUTPUT:
    
Continued right lower lobe opacities concerning for pneumonia , increased . Additional left lower lobe opacities consistent with atelectasis versus pneumonia .