| A carbohydrate antigenic moiety that consists of proteins with sialylated lacto-N-fucopentose II decoration. Cancer antigen 19-9 (CA 19-9) is a protein that exists on the surface of tumor cells, and is cleaved in a process called tumor shedding. Clinically, it is a useful protein marker that is used to follow the course of persons with cancer -- and is especially utilized in advanced pancreatic cancers. CA19-9 Antigen is from the group Tumor Antigen
Other Names for CA19-9 Antigen
CA19-9 Antigen
CA-19-9
CA19-9
Cancer Antigen 19-9
Carbohydrate Antigen 19-9
Sialyl Lewis (A) Antigen
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Medical Dictionary 
