吸煙史長於15-20 pack-year。對這些高危人群,美國的幾個專業協會都建議每年做一次低劑量CT,一直到徹底禁煙15年......
吸煙史長於15-20 pack-year。對這些高危人群,美國的幾個專業協會都建議每年做一次低劑量CT,一直到徹底禁煙15年......
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