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WHO Classification of Tumours
Neuroendocrine tumor G1 (NET G1) / Carcinoid
Small intestine


Staging

TNM classification of carcinoid of the small intestine
Click for details
Edge SB, Byrd DR, Compton CC, Fritz AG, Greene FL, and Trotti A (eds.)
AJCC Cancer Staging Manual
Springer: New York 2009




Click for details
Sobin LH, Gospodarowicz MK, Wittekind Ch. (Eds.)
International Union against Cancer (UICC): TNM Classification of Malignant Tumors
7th Edition
Wiley-Blackwell: Oxford 2009




Stage grouping

StageTNM
Stage IT1N0M0
Stage IIAT2N0M0
Stage IIBT3N0M0
Stage IIIAT4N0M0
Stage IIIBAny TN1M0
Stage IVAny TAny NM1


T Primary tumoure
TXPrimary tumour cannot be assessed
T0No evidence of primary tumour
T1Tumour invades lamina propria or submucosa and is no greater than 1 cm in size
T2Tumour invades muscularis propria or is greater than 1 cm in size
T3Jejunal or ileal tumour invades subserosa. Ampullary or duodenal tumour invades pancreas or retroperitoneum
T4Tumour perforates visceral peritoneum (serosa) or invades other organs or adjacent structures


N Regional lymph nodes
NXRegional lymph nodes cannot be assessed
N0No regional lymph-node metastasis
N1Regional lymph-node metastasis


M Distant metastasis
M0No distant metastasis
M1Distant metastasis