Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral perihilar opacities have significantly improved . Layering bilateral effusions are also smaller . Mild cardiomegaly is unchanged . There is no pulmonary edema . The mediastinal and hilar contours are normal . The aortic arch is calcified . There is no pneumothorax .
    OUTPUT:
    
1 . Significantly improved bilateral perihilar opacities and layering bilateral pleural effusions . 2 . Stable mild cardiomegaly .