Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest show stable eventration at the left hemidiaphragm , unchanged from ___ . The lungs are clear without focal consolidation , pleural effusion , or pneumothorax . No pulmonary vascular congestion or edema is present . The cardiac silhouette is normal in size . The mediastinal and hilar contours are within normal limits and unchanged from ___ . Marked tortuosity of the thoracic aorta is again noted . Degenerative changes are present in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary pathology .