起名字哈烦躁
肠镜=Colonoscopy;Why is colonoscopy done?Colonoscopy may be done for a variety of reasons. The vast majority of colonoscopies are performed as part of screening programs for colon cancer. When done for indication, most often it is done to investigate the cause of blood in the stool, abdominal pain, diarrhea, a change in bowel habit, or an abnormality found on colonic X-rays or a computerized axial tomography (CT) scan.
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