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 stable . Tortuosity of the descending thoracic aorta is again noted . No acute osseous abnormalities . Surgical material projecting in the posterior subcutaneous tissues of the back .
    OUTPUT:
    
No acute cardiopulmonary process .