吸烟史长于15-20 pack-year。对这些高危人群,美国的几个专业协会都建议每年做一次低剂量CT,一直到彻底禁烟15年......
吸烟史长于15-20 pack-year。对这些高危人群,美国的几个专业协会都建议每年做一次低剂量CT,一直到彻底禁烟15年......
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