Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained with the patient in upright position . A tricuspid annuloplasty ring is in a stable position . Median sternotomy wires are intact . Epicardial pacing wires are again visualized . There is marked cardiomediastinal widening . No focal consolidation , pneumothorax or pulmonary edema is seen . Small pleural effusions .
    OUTPUT:
    
Stable postoperative cardiomediastinal widening . Small pleural effusions .