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.
The hope in the search for tumor markers was that all cancers could be detected by a single blood test. Both GTN and germ cell tumors of the ovaries and testicles are too rare to look for these cancers by testing everyone. But cancers such as colon, breast, and lung are more common.