Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Streaky bibasilar opacities are noted which are likely atelectasis . Superiorly , the lungs are clear . The cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications are seen at the arch . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process . Bibasilar opacities are likely atelectasis .