. "Sialylated Lewis a AntigenSYNCI" . "CA-19-9SYNCI" . "Immunologic Factor"^^ . "Sialyl LewisASYNCI" . . "CA19-9_Antigen"^^ . . "C327"^^ . "CA19-9 AntigenPTNCI" . "SLeASYNCI" . "C0006613"^^ . "Carbohydrate Antigen 19-9SYNCI" . "Cancer Antigen 19-9SYNCI" . "Carbohydrate"^^ . "Sialyl LeASYNCI" . "CA19-9 Antigen"^^ . . "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.NCI" . "Sialylated Lewis (a) AntigenSYNCI" . "Sialyl Le(a) AntigenSYNCI" . "CHEBI:61793"^^ . "CA19-9SYNCI" . "CA19-9 Antigen"^^ .