Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph demonstrates patchy increased opacity throughout the right hemi thorax an additionally within the left lower lobe more conspicuous relative to prior examination . Opacity is largely perihilar . Findings are associated with bilateral pleural effusions . Heart border is obscured . There is no pneumothorax .
    OUTPUT:
    
Bilateral opacities appear perihilar with associated pleural effusions to suggest moderate pulmonary edema , worsened since prior examination .