CA 19.9


CA 19.9search for term

A substance released into the bloodstream by both cancer cells and normal cells. Too much CA 19‐9 in the blood can be a sign of pancreatic cancer or other types of cancer or conditions. The amount of CA 19‐9 in the blood can be used to help keep track of how well cancer treatments are working or if cancer has come back. It is a type of tumor marker*.