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- pronunciation:
- tu
m
 r
| part of speech: |
noun |
| definition: |
A tumor is a mass of extra cells that grows in the body or on the skin. Some tumors contain cancer cells, which is a dangerous thing, but some tumors do not. If someone has a tumor with cancer cells, doctors remove it if they can. Doctors often leave a tumor alone if it has no cancer cells, but they continue to watch it to see if it changes.
The doctor operated to remove the patient's tumor.- similar words:
- growth
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| related words: |
cancer, lump |
| derivations: |
tumoral (adj.), tumorlike (adj.), tumorous (adj.) |
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