Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation , effusion , or edema . Cardiomediastinal silhouette is within normal limits . Prosthetic aortic valve is noted . Median sternotomy wires are seen with interval fracture of the superior most wire since ___ . No acute osseous abnormalities . Partially visualized vascular stent projects over the neck on the right . Surgical clips in the right upper quadrant suggest prior cholecystectomy .
    OUTPUT:
    
No acute cardiopulmonary process .