Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Median sternotomy wires and surgical clips overlying the upper mediastinum are noted . Lung volumes are normal . There is no consolidation , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is normal . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Normal chest radiograph .