用大便隐血试验筛检和监测大肠癌高危人群；
The high-risk population of large intestinal cancer was screened and surveilled with fecal occult blood test.
只有单独的大便隐血试验阳性情况下，结肠镜作为首选的检查方法是有适应征的。
In the setting of an isolated positive FOBT, colonoscopy is indicated as the first test.
你应该送黑便做大便隐血试验，如隐血阳性，说明上消化道出血，那就应与洗甲水的腐蚀性联系起来。
You should send it to do black stool occult blood test, such as occult blood positive, that upper gastrointestinal bleeding, it should be consistent with a water wash corrosive link.
你应该送黑便做大便隐血试验，如隐血阳性，说明上消化道出血，那就应与洗甲水的腐蚀性联系起来。
You should send it to do black stool occult blood test, such as occult blood positive, that upper gastrointestinal bleeding, it should be consistent with a water wash corrosive link.
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