Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation , effusion , or edema . The cardiomediastinal silhouette is within normal limits . Tortuosity of the descending thoracic aorta with atherosclerotic calcifications again noted . Median sternotomy wires with fracture of the superior most wire is unchanged . No acute osseous abnormalities . Surgical clips in the right upper quadrant suggest prior cholecystectomy .
    OUTPUT:
    
No acute cardiopulmonary process .