CA 125; OVARIAN CANCER MARKER

CA-125, which stands for “Cancer Antigen 125” is a protein that may be found in high amounts in the blood of patients with ovarian cancer. CA-125 is produced on the surface of cells and is released in the bloodstream. This protein is elevated in more than 80 percent of women with advanced ovarian cancers, and in 50 percent of those with early-stage cancers.