11. Seabrook's card includes an at-home version of what is called a " fecal occult blood test ." 12. However, done annually, the occult blood test is likely to pick up a problem at an early stage. 13. The four main screening tests are fecal occult blood testing, flexible sigmoidoscopy, colonoscopy, and stool DNA screening test. 14. Stool guaiac test for fecal occult blood ( gFOBT ) sensitivity varies depending on the site of bleeding. 15. _To detect colorectal cancer, an annual fecal occult blood test for men and women starting at age 50. 16. The fecal occult blood test used in the Minnesota research has long been a common part of physical examinations. 17. Various blood tests may be done including a fecal occult blood test to check for blood in the stool. 18. A decade ago, he got a fecal occult blood test, recommended for everyone over 50 on an annual basis. 19. To pick up polyps missed by the occult blood test, experts recommend a procedure called flexible sigmoidoscopy every five years. 20. When an occult blood test is positive or a sigmoidoscopy finds precancerous polyps, that's a signal to do a complete colonoscopy.
