![](https://webarchive.library.unt.edu/eot2008/20081106025415im_/http://www.cancer.gov/images/spacer.gif) |
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![](https://webarchive.library.unt.edu/eot2008/20081106025415im_/http://www.cancer.gov/images/spacer.gif)
| A white blood cell that has left the bloodstream and migrated into a tumor. |
Previous Definitions: | tumor, tumor antigen vaccine, tumor board review, tumor burden, tumor debulking | Next Definitions: | tumor initiation, tumor load, tumor marker, tumor microenvironment, tumor model |
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![](https://webarchive.library.unt.edu/eot2008/20081106025415im_/http://www.cancer.gov/images/spacer.gif) |