Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild biapical scarring unchanged since ___ . Lungs are clear without consolidation , effusion , or edema . Cardiomediastinal silhouette is within normal limits . Lower thoracic dextroscoliosis is again noted . No acute osseous abnormalities . Degenerative changes seen at the acromioclavicular joints bilaterally .
    OUTPUT:
    
No acute cardiopulmonary process .