Answer :
The early detection of polyps that could develop into cancer is made possible by screening tests. These tests can also aid in the early detection of colorectal cancer, when there is a good chance of recovery.
A flexible Fiberoptic or video colonoscope is used during a colonoscopy to view, examine, and take pictures of the large intestine, including the anus, rectum, and the sigmoid, transverse, and ascending colon. The most common uses of this technique are for cancer screening and for patient surveillance in those who have had colon cancer or polyps in the past. Additionally, tissue samples and the removal and analysis of polyps can both be done if needed. The evaluation of individuals with diarrhea of unclear origin, covert bleeding, or anemia, as well as the clarification of the diagnosis and quantification of the severity of inflammatory or other gastrointestinal disease, are additional purposes for colonoscopy. If the patient has acute severe diverticulitis, fulminant diverticulitis, or a suspected or confirmed colon perforation, a colonoscopy is not recommended.
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