CA125 Tumor Marker Blood Test
 
 

CA-125 Tumor Marker Blood Test

The CA-125 test shows the amount of the protein CA-125 in blood. CA-125 is prevalent in ovarian cells. This blood test is done if a woman shows signs of ovarian cancer or an ultrasound indicates ovarian cancer. A high amount of CA-125 could mean there is ovarian cancer. The test is conducted periodically to women with ovarian cancer to determine if the cancer treatment is working.

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