CA50

Full Name

Cancer Antigen 50

Keywords

Cancer Antigen 50; CA 50; CA-50; Serum tumor marker

Background

Cancer antigen 50 is a carbohydrate present on the surface of certain cancer cells and released into the blood stream where they can be detected immunologically. CA50 is most prevalent in gastrointestinal cancers, but can also be associated with cancer outside the digestive tract.