Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior radiograph , no change in the support and monitoring devices , including the right IJ central line and endotracheal tube . Left perihilar opacities have decreased . No pneumothorax . Small left pleural effusion is stable . Moderate cardiomegaly is unchanged .
    OUTPUT:
    
1 . Left parahilar opacities have decreased . 2 . Small left pleural effusion is stable .