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.
Examples: Gloria was discouraged that the tumor marker used to monitor her lung cancer treatment had increased, but was relieved that her tumor had actually decreased in size on a CT scan. 1  Article. 2  Article. 3  Up Next. 4  Up Next. 5  Up Next.