Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the previous radiograph , there is a new left lower lobe opacity , appreciated both on the frontal and on the lateral radiograph . The opacity is alveolar in appearance and shows multiple air bronchograms . In the appropriate clinical setting , this opacity reflects pneumonia . There is no evidence of accompanying complications such as pleural effusions . Two calcified granulomas at the right lung base are completely unchanged . No other lung parenchymal changes . Normal size of the cardiac silhouette . Normal hilar and mediastinal structures .
    OUTPUT:
    
Left lower lobe pneumonia . At the time of dictation and observation , 1 :51 p .m . , on ___ , the referring physician , ___ . ___ , was contacted by telephone and the findings were discussed .