Carbohydrate antigen 19-9<unk> , also known as sialyl-LewisA, is a tetrasaccharide which is usually attached to O-glycans on the surface of cells. It is known to play a vital role in cell-to-cell recognition processes. It is also a tumor marker used primarily in the management of pancreatic cancer.
CA19-9
CA 15-3
CA-125
AFP-L3
Alpha-fetoprotein
HER2/neu
Carcinoembryonic antigen peptide-1
BerEp4