NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,444 terms related to cancer and medicine.
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- tumor microenvironment
- listen (TOO-mer MY-kroh-en-VY-run-ment)
The normal cells, molecules, and blood vessels that surround and feed a tumor cell. A tumor can change its microenvironment, and the microenvironment can affect how a tumor grows and spreads.