Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior chest radiographs , pulmonary vascular congestion and pulmonary edema have increased . New confluent opacities , right greater than left , lower lobes , with probable small bilateral effusions . No pneumothorax . Mild cardiomegaly is unchanged .
    OUTPUT:
    
1 . Interval increase in the degree of pulmonary edema . 2 . New bilateral lower lobe , right greater than left , opacities , likely a combination of pleural fluid and atelectasis . However , in the correct clinical setting , superimposed infection is not excluded .