also known as Cancer Ag 19-9 in Serum or Plasma
CA 19-9 is elevated in about 70% of people with advanced pancreatic cancer, but it may also be elevated in other cancers, conditions, and diseases such as colorectal cancer, lung cancer, gallbladder cancer, bile duct obstruction (e.g., gallstones), pancreatitis, cystic fibrosis, and liver disease. Alternative Name(s): Carbohydrate Antigen 19-9