Clinical Value of Serum Cancer Antigen 19-9 as a Tumor Screening Marker among Healthy Individuals

Background: Serum tumor markers are convenient, non-invasive, acceptable to patients and play an important role as an ancillary tumor diagnostic tool. CA 19-9 has become a common tumor marker, specific for digestive system tumors. The study was carried out to determine the value of CA 19-9 as a tumor screening marker among healthy individuals