Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate normal cardiac silhouette . The lungs are clear . There is no pneumothorax , vascular congestion , or pleural effusion . Patient is status post CABG and median sternotomy wires appear intact . Mild multilevel thoracic spondylosis is noted .
    OUTPUT:
    
No acute cardiopulmonary process apparent .