对肺癌的病人而言，产生消化道的转移是非常罕见的，特别是发生在胃部。

It is very rare for patients with lung cancer to have metastasis in gastrointestinal tract, especially in the stomach.

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肺癌筛查中过度诊断现象的发生，特别是常见于女性，对于这一点应予以极大关注。

"Overdiagnosis, especially in women, may be a substantial concern in lung cancer screening, " the authors conclude.

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