Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The lungs remain clear without consolidation , effusion or vascular congestion . Cardiomediastinal silhouette is stable . Descending thoracic aorta is ectatic . Hypertrophic change is again noted in the spine . Single lead pacing device seen in stable position .
    OUTPUT:
    
No acute cardiopulmonary process .