Changing the standard sequence of treatment for operable pancreatic cancer could improve survival for some patients, say researchers. Some patients with operable disease and elevated levels of the CA ...
What Is a CA 19-9 Number? CA 19-9, also called cancer antigen 19-9 or carbohydrate antigen 19-9, is a type of protein found in your blood. “We call CA 19-9 a tumor marker, which is a substance made by ...