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- (... STAY-jing SIS-tem) A system for describing the extent of cancer in a patient's body. T describes the size of the tumor and whether it has invaded nearby tissue, N describes any lymph nodes that are involved, and M describes metastasis (spread of cancer from one body part to another).
National Cancer Institute - Cite This Source - This Definition
- ABCD rating, AJCC staging system, extent of disease, Jewett staging system, TNM, Whitmore-Jewett staging system