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  1. Dec 6, 2022 · The stool DNA test uses a sample of your stool to look for DNA changes in cells that might indicate the presence of colon cancer or precancerous conditions. The stool DNA test also looks for signs of blood in your stool. For this test, you collect a stool sample at home and send it to a laboratory for testing.

  2. Nov 20, 2023 · What blood tests can help diagnose colon cancer? CBC. Liver enzymes. Tumor markers. Preparation. Procedure. Possible risks. Next steps. Cost and financial help. Summary. Blood tests can...

  3. Oct 20, 2023 · Colorectal Cancer Screening. Risks of Colorectal Cancer Screening. About This PDQ Summary. What is screening? Screening is looking for cancer before a person has any symptoms. This can help find cancer at an early stage. When abnormal tissue or cancer is found early, it may be easier to treat.

  4. One way to test for colorectal cancer is to look for occult (hidden) blood in the stool. The idea behind this type of test is that blood vessels in larger colorectal polyps or cancers are often fragile and easily damaged by the passage of stool.

  5. Several test options are available for colorectal cancer screening: Stool-based tests. Highly sensitive fecal immunochemical test (FIT) every year. Highly sensitive guaiac-based fecal occult blood test (gFOBT) every year. Multi-targeted stool DNA test with fecal immunochemical testing (MT-sDNA or sDNA-FIT or FIT-DNA)) every 3 years.

  6. These types of tests – a fecal occult blood test (FOBT) or fecal immunochemical test (FIT) – are done at home and require you to collect 1 to 3 samples of stool from bowel movements. For more on how these tests are done, see Colorectal Cancer Screening Tests.

  7. Colorectal cancer screening tests are used to check for signs of colorectal cancer and/or to remove colorectal polyps. Why do I need a colorectal cancer screening test? The National Cancer Institute and other expert medical groups recommend people get regular screenings for colorectal cancer, starting at age 50.

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