cancer antigen 125
(CA 125) a surface glycoprotein associated with mÑŒllerian epithelial tissue; elevated serum levels are often associated with epithelial ovarian carcinomas, particularly with nonmucinous tumors, but are also seen in some other malignant and various benign pelvic disorders. See also cancer antigen 125 (CA 125) assay, under assay.
Medical dictionary.
2011.