Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were provided . Median sternotomy wires appear intact . Surgical clips project over the left mediastinal border . Comparison is made to radiographs dated ___ . Mild cardiomegaly is stable . Bilateral pulmonary opacities are present though improved relative to prior study consistent with pulmonary edema . Blunting of bilateral costophrenic angles likely reflect small pleural effusions . No evidence of pneumothorax .
    OUTPUT:
    
Mild to moderate pulmonary edema improved relative to examination dated ___ .