NCIt synonyms : CA-19-9; Cancer Antigen 19-9; Carbohydrate Antigen 19-9; Sialyl Le(a) Antigen; SLeA; Sialylated Lewis (a) Antigen; Sialyl LeA; Sialylated Lewis a Antigen; Sialyl LewisA; Sialyl-Lewis A;
NCIt related terms : CA19-9; SIALYL LEWIS A;
NCIt definition : CA 19-9 is a fucosylated glycosphingolipid carbohydrate antigen that is soluble and
is adsorbed to erythrocytes and to many adenocarcinomas of the digestive tract, especially
pancreatic tumors. By structure CA 19-9 is related to the Lewis blood group antigens.;