Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is increased opacity at bilateral lateral lung bases and left mid lung laterally , consistent with pneumonia , possibly from aspiration . There is no pleural effusion or pneumothorax . Cardiomediastinal silhouette is normal size .
    OUTPUT:
    
Bibasilar pneumonia , possibly from aspiration and progressed compared to ___ .