Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to chest radiograph from 1 day prior , multifocal airspace opacities , more pronounced in the left lower lobe have increased can be worsening infection . Right lower lobe multi focal opacities are stable . No pulmonary vascular congestion . No pneumothorax . Mild cardiac enlargement . No significant effusions .
    OUTPUT:
    
Increasing multifocal airspace opacities , in the left lower lobe can be worsening pneumonia .