Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA frontal and lateral chest radiograph demonstrates new opacification within the left lower lobe concerning for pneumonia . The left upper lobe and right lung remains grossly clear . There is no large pleural effusion . There is no pneumothorax . Cardiomediastinal and hilar contours are within normal limits . Visualized osseous structures are unremarkable .
    OUTPUT:
    
Left lower lobe opacification concerning for pneumonia . After several attempts to page the ordering physician ___ . ___ , ___ decision was made to email the physician regarding the aforementioned findings by Dr . ___ at 16 : 15 on ___ .