Colon Cancer Marker Range

The acs recommends that people at average risk of colorectal cancer start regular screening at age 45 this can be done either with a sensitive test that looks for signs of cancer in a person s stool a stool based test or with an exam that looks at the colon and rectum a visual exam.

Colon cancer marker range.

Biggest role for cea tumor marker in colon cancer is monitoring the treatment. Cea levels return to normal within 4 6 weeks after surgical resection of the tumor. You may also have a blood test to check your liver function because colorectal cancer can spread to the liver. Having a high level of a tumor marker suggests that cancer may be present in the body but by itself a high tumor marker level is not enough to make a diagnosis.

Colorectal cancer cells sometimes make substances called tumor markers that can be found in the blood. A tumor marker is anything present in or produced by cancer cells or other cells of the body in response to cancer or certain benign noncancerous conditions that provides information about a cancer such as how aggressive it is whether it can be treated with a targeted therapy or whether it is responding to treatment. Also tumor markers are not raised in all cases of the cancers they are used for so they are not helpful for all patients. The cea blood test could improve treatment for more than 1 in 6 stage 2 colon cancer patients and many patients who could benefit from the test likely aren t receiving it.

They are measured using a blood test or are found in the tumor tissue itself. But if someone has a genetic syndrome for colorectal cancer then it is natural to use cea as a screening tool. For example carcinoembryonic antigen cea is a tumor marker used in colon cancer yet only 70 80 of colon cancers make cea. The cea test is not useful for diagnosing or testing the overall cancer population.

The most common tumor marker for colorectal cancer is carcinoembryonic antigen cea. A tumor marker is anything present in or produced by cancer cells or other cells of the body in response to cancer or certain benign noncancerous conditions that provides information about a cancer such as how aggressive it is whether it can be treated with a targeted therapy or whether it is responding to treatment. For people at average risk. Tumor markers have traditionally been proteins or other substances that.

What is a high cea level for colon cancer. Tumor markers for colorectal cancer can be found in the blood. By stage iv the cancer is considered advanced and has spread metastasized to other areas of the body. The stages of colon cancer are indicated by roman numerals that range from 0 to iv with the lowest stages indicating cancer that is limited to the lining of the inside of the colon.

This means 20 30 of people with colon cancer will not have a raised cea level.