Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The post operative changes at right lung base is similar to ___ . There is diffuse emphysematous changes of bilateral lungs . Cardio mediastinal silhouette is within normal size limits . There is no pleural effusion or pneumothorax . Compared to ___ , there is no notable change .
    OUTPUT:
    
No notable change compared to ___ .