Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no focal consolidation , effusion , or edema . Cardiomediastinal silhouette is within normal limits . Median sternotomy wires , prosthetic aortic valve , and left chest wall dual lead pacing device are noted .
    OUTPUT:
    
No close cardiopulmonary process , no focal consolidation .