Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung is well inflated with left lung base opacity suspicious for pneumonia . Cardiomediastinal silhouette is unchanged since ___ . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Left lower lobe pnumonia . Findings were paged to Dr ___ by Dr ___ at 6 pm