Headaches and cases of epistaxis, or nosebleeds, are common. Nosebleeds occur due to burst or broken blood vessels in the nose. Having a headache and a nosebleed can be a sign of a minor issue, such as hay fever, or something more severe, such as anemia, or a low red blood cell count. Advertisement.
There is a tumor marker for some cancers of the colon; it is known as carcinoembryonic antigen, or CEA.Unfortunately, this protein may be made by other adenocarcinomas as well, or it may not be produced by a particular colon cancer.here is a tumor marker for some cancers of the colon; it is known as carcinoembryonic antigen, or CEA.
Tumor markers are molecules occurring in blood or tissue that are associated with cancer and whose measurement or identification is useful in patient diagnosis or clinical management.he PSA screening test is a blood test that looks for a specific tumor marker. In general, tumor markers are produced by the tumor itself or by our body in response to the presence of cancer or non-cancerous conditions.