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COLON CANCER-STAGING

Gastroenterology

COLON CANCER-STAGING

The 2 methods for staging colon cancer are TNM and Duke's. TNM classification, updated in 2010, is the preferred method:

1. TNM stage I: extends into submucosa (T1) or muscularis mucosa (T2); no nodal involvement; no metastases

2. TNM stage II (subclassifications A, B, C): extends past muscularis into tissues around the colorectal area (T3) or into visceral peritoneum (T4a) or is directly invasive (T4b); no nodal involvement; no metastases

3. TNM stage Ill (subclassifications A, B, and C): any combination of T1-T4b with nodal involvement and no metastases

4. TNM stage IV: any combination of T1-T4b, any N, with distant metastases


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REFERENCES

1. Wilkinson, I. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press.
2. Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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