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 of markers your doctor may test for include: 1  CA 15.3: used to find breast and ovarian cancers. 2  TRU-QUANT and CA 27.29: may mean that breast cancer is present. 3  CA125: may signal ovarian cancer, ovarian cancer recurrence, and breast cancer recurrence.4  CEA (carcinoembryonic antigen): a marker for the presence of colon, lung, and liver 5  ... Cirhile breast cancer blood marker tests are promising, they're not absolutely conclusive. When a breast cancer blood marker test comes back negative, it doesn't necessarily mean you're free and clear of breast cancer.