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Colon tumor

Other

Staging neuroendocrine tumors


Reviewers: Charanjeet Singh, M.D. (see Reviewers page)
Revised: 2 May 2012, last major update May 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.

Primary tumor (T)
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TX: primary tumor cannot be assessed
T0: no evidence of primary tumor
T1: tumor invades lamina propria or submucosa and size 2 cm or less
T1a: tumor size less than 1 cm in greatest dimension
T1b: tumor size 1-2 cm in greatest dimension
T2: tumor invades muscularis propria or size more than 2 cm with invasion of lamina propria or submucosa
T3: tumor invades through the muscularis propria into the subserosa, or into non-peritonealized pericolic or perirectal tissues
T4: tumor invades peritoneum or other organs

● For any T, add (m) for multiple tumors

Regional lymph nodes (N)
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NX: regional lymph nodes cannot be assessed
N0: no regional lymph node metastasis
N1: regional lymph node metastasis

Distant Metastasis (M)
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M0: no distant metastasis
M1: distant metastasis

Anatomic stage / prognostic groups
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Stage I: T1 N0 M0
Stage IIA: T2 N0 M0
Stage IIB: T3 N0 M0
Stage IIIA: T4 N0 M0
Stage IIIB: any T N1 M0
Stage IV: M1 (any T, any N)

End of Colon tumor > Other > Staging neuroendocrine tumors


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