Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the previous radiograph , no relevant change is seen . Mild fluid overload . Moderate cardiomegaly and substantial left lower lobe atelectasis . The pre-existing opacity at the left apex and at the right lung basis are constant in appearance . No new parenchymal opacities . The presence of a small left pleural effusion can not be excluded .
    OUTPUT:
    
No relevant change as compared to prior .