Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate intact median sternotomy wires . There are persistent small bilateral pleural effusions which are relatively unchanged since the ___ . The lung volumes are slightly increased , and the right apical pneumothorax has resolved . The cardiac and mediastinal contour is unchanged . No focal consolidation is identified .
    OUTPUT:
    
Minimal change in bilateral small pleural effusions .