Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Overall no significant interval change from the most recent exam . Bilateral extensive opacities , most prominent in the perihilar regions , could be secondary to pulmonary edema and underlying pneumonia . Some degree of pulmonary hemorrhage given the clinical history is also possible . Mild cardiomegaly is overall unchanged . No pneumothorax . Superimposed plate pleural effusions are likely but difficult to fully assess on a background bilateral increased opacities .
    OUTPUT:
    
No significant interval change .