Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Linear bibasilar opacities are noted , likely atelectasis . Elsewhere , lungs are clear . There is slight rightward deviation of the trachea at the thoracic inlet compatible with asymmetric left - sided thyroid enlargement seen on prior CT . There is no edema , effusion , or pneumothorax . Cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .