Glycoantigen 125 is a tumor marker, but can not be single by this indicator to confirm the diagnosis of cancer, and there is no Glycoantigen 125 high how much is considered to be cancer, Glycoantigen 125 is generally less than 35 U/mL, when greater than this value need to pay attention to. Glycoantigen 125 elevation may be the body suffers from malignant tumors, but may also be chronic gastritis, chronic hepatitis, chronic pelvic inflammatory disease and other diseases caused. If you are worried about malignant tumors, you need to go to the hospital for further ultrasound, CT and pathology tests to confirm the diagnosis. It is not possible to diagnose cancer with a single glycoantigen 125 value. If your body is diagnosed with cancer, you can observe the rise and fall of the Glycoantigen 125 value to determine the effect of tumor treatment and to monitor whether there is any recurrence of the tumor.