Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear besides minimal probable bibasilar atelectasis . The cardiomediastinal silhouette is within normal limits for technique . No acute osseous abnormalities . Anterior and posterior cervical fixation hardware is partially visualized .
    OUTPUT:
    
No definite acute cardiopulmonary process . Probable bibasilar atelectasis .