![](https://webarchive.library.unt.edu/eot2008/20090514044246im_/http://www.cancer.gov/images/spacer.gif) |
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(meh-TAS-tuh-sis)
![](https://webarchive.library.unt.edu/eot2008/20090514044246im_/http://www.cancer.gov/images/spacer.gif)
| The spread of cancer from one part of the body to another. A tumor formed by cells that have spread is called a “metastatic tumor” or a “metastasis.” The metastatic tumor contains cells that are like those in the original (primary) tumor. The plural form of metastasis is metastases (meh-TAS-tuh-SEEZ). |
Previous Definitions: | metabolite, metallic, metaplasia, metaplastic carcinoma, metastasectomy | Next Definitions: | metastasize, metastatic, metastatic cancer, metasynchronous, meteorism |
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![](https://webarchive.library.unt.edu/eot2008/20090514044246im_/http://www.cancer.gov/images/spacer.gif) |