Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were provided . Midline sternotomy wires and mediastinal clips are again noted . There is mild pulmonary edema with no large effusions . The heart remains top normal in size . Mediastinal contour is stable . No pneumothorax . Bony structures are intact .
    OUTPUT:
    
Mild pulmonary edema .