Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate bibasilar atelectasis is noted with low lung volumes . Redemonstrated anterior upper mediastinal soft tissue has previously been identified as an enlarged thyroid goiter . Heart size is emphasized due to low lung volumes . No pneumothorax or pulmonary edema .
    OUTPUT:
    
Moderate bibasilar atelectasis with low lung volumes .