NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,208 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.
- sentinel lymph node
- listen (SEN-tih-nul limf node)
The first lymph node to which cancer is likely to spread from the primary tumor. When cancer spreads, the cancer cells may appear first in the sentinel node before spreading to other lymph nodes.