What is an Alpha-Fetoprotein (AFP) Tumor Marker Test?

Tumor markers are substances in the human body that are produced by tumors and secreted into the blood, urine, or other bodily fluids. Certain benign conditions can also raise these markers, but significant elevations or a progressive rise can indicate a malignant process.  An AFP, or alpha-fetoprotein, tumor marker test—one of many different types of … Continued