NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,506 terms related to cancer and medicine.
We offer a widget that you can add to your website to let users look up cancer-related terms. Get NCI’s Dictionary of Cancer Terms Widget.
- biochemical relapse
- listen (BY-oh-KEH-mih-kul REE-laps)
- A rise in the blood level of PSA (prostate-specific antigen) in prostate cancer patients after treatment with surgery or radiation. Biochemical relapse may occur in patients who do not have symptoms. It may mean that the cancer has come back. Also called biochemical recurrence and PSA failure.