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2. Colonoscopy - Wikipedia

   en.wikipedia.org/wiki/Colonoscopy

   The examination of the colon, to rule out a lesion contributing to blood loss, along with an upper gastrointestinal endoscopy (gastroscopy) to rule out oesophageal, stomach, and proximal duodenal sources of blood loss. Fecal occult blood is a quick test which can be done to test for microscopic traces of blood in the stool. A positive test is ...

3. Stool test - Wikipedia

   en.wikipedia.org/wiki/Stool_test

   A stool test is a medical diagnostic technique that involves the collection and analysis of fecal matter. Microbial analysis (culturing), microscopy and chemical tests are among the tests performed on stool samples.

4. Cancer screening - Wikipedia

   en.wikipedia.org/wiki/Cancer_screening

   Screening for colorectal cancer, if done early enough, is preventive, seeing as benign lumps called polyps in the colon and rectum are the start to almost all cases of colon cancer. These polyps can be identified and removed by screening tests like a colonoscopy , in which the whole colon is visible.

5. FDA approves new blood test to screen for colon cancer

   www.aol.com/news/fda-approves-blood-test-screen...

   The test would need to be given at least every three years, starting at age 45 — the same age it's recommended to begin colorectal screening. A positive test isn’t necessarily a diagnosis.

6. Blood test to detect colon cancer could move a step closer to ...

   www.aol.com/news/blood-test-detect-colon-cancer...

   The panel voted 8-1 that the Shield test is safe for use in people who meet the criteria for testing, 6-3 that the test is effective for use in those meeting the criteria and 7-2 that the benefits ...

7. Stool guaiac test - Wikipedia

   en.wikipedia.org/wiki/Stool_guaiac_test

   Either the patient or medical professional smears a small fecal sample on to the film. The fecal sample is obtained by catching the stool and transferring a sample with an applicator. Digital rectal examination specimens are also used but this method is discouraged for colorectal cancer screening due to very poor performance characteristics. [10]

8. Fecal occult blood - Wikipedia

   en.wikipedia.org/wiki/Fecal_occult_blood

   Fecal occult blood testing (FOBT), as its name implies, aims to detect subtle blood loss in the gastrointestinal tract, anywhere from the mouth to the colon.Positive tests ("positive stool") may result from either upper gastrointestinal bleeding or lower gastrointestinal bleeding and warrant further investigation for peptic ulcers or a malignancy (such as colorectal cancer or gastric cancer).

9. Blood test for colon cancer screening is approved by US ...

   www.aol.com/lifestyle/blood-test-colon-cancer...

   U.S. health regulators on Monday approved a first-of-its-kind blood test for colon cancer, offering a new way of screening for a leading cause of cancer deaths. Test manufacturer Guardant said the ...