Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is linear opacity in the right midlung similar to prior likely scarring given persistence since ___ . The lungs are otherwise clear without consolidation , effusion , or edema . The cardiomediastinal silhouette is within normal limits . Slight tortuosity of the descending thoracic aorta is noted . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .