Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Small to moderate bilateral pleural effusions appear slightly improved compared to ___ . Mild pulmonary edema appears minimally improved compared to prior . There is no focal consolidation or pneumothorax . Cardiomegaly is mild , as on prior . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen . Aortic arch calcifications are again seen .
    OUTPUT:
    
Small to moderate bilateral pleural effusions appear slightly improved compared to ___ .