A fecal occult blood test detects blood in the stool by placing a small sample of stool on a chemically treated card, pad, or wipe; then a chemical developer solution is put on top of the sample.

Screening tests detect specific diseases before symptoms appear. Several tests can screen for colorectal cancer. Each test has its pros and cons. This information will help you understand your choices.

Learn about the detection and treatment of colorectal cancer.

When doctors test for fecal occult blood they are testing for the presence of microscopic or invisible blood in the stool, or feces. Read this article for the facts about this test.

The definition of a colonoscopy and what to expect if you have one.

Imaging tests are also used to screen for and detect colorectal cancer. Learn more about the different types here.

Doctors generally do not rely on genetic testing to screen for, or make an initial diagnosis of, colorectal cancer. However, under some circumstances genetic testing is appropriate. It may be offered to high risk families to determine an individuals risk for d¡­¡­

Finding Help for colorectal cancer