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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Mapeo de ganglios linfáticos centinela

Sentinel lymph node mapping
The use of dyes and radioactive substances to identify the first lymph node to which cancer is likely to spread from the primary tumor. Cancer cells may appear first in the sentinel node before spreading to other lymph nodes and other places in the body.



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.