Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Streaky right basilar opacity is most likely atelectasis . The lungs are otherwise clear . The cardiomediastinal silhouette is within normal limits . Hypertrophic changes noted in the spine without acute osseous abnormality . Chronic changes of the lateral left second rib , potentially congenital are again noted .
    OUTPUT:
    
No acute cardiopulmonary process .