Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well inflated and clear . The cardiomediastinal silhouette and hilar contours are stable . There is no pleural effusion or pneumothorax . Median sternotomy wires and surgical clips are noted . Fracture of the left lateral ninth rib is again noted without significant interval healing though not fully evaluated . Degenerative changes are seen in the thoracic spine .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Old left lateral ninth rib fracture .