Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Midline sternotomy wires and mediastinal clips again noted . Lung volumes are low limiting assessment . Bilateral pleural effusions appear slightly increased from prior . There is associated lower lobe atelectasis . There is probable mild pulmonary edema . Heart size is unchanged . Mediastinal contour is stable . Bony structures are intact .
    OUTPUT:
    
Findings concerning for pulmonary edema with bilateral pleural effusions appearing slightly increased from prior study .