Colon tumor
Staging - neuroendocrine tumors

Author: Charanjeet Singh, M.D. (see Authors page)

Revised: 3 January 2017, last major update May 2012

Copyright: (c) 2003-2017,, Inc.

PubMed search: staging [title] neuroendocrine tumors

Cite this page: Staging - neuroendocrine tumors. website. Accessed February 21st, 2018.
Section Title
  • 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 nonperitonealized pericolic or perirectal tissues
  • T4: tumor invades peritoneum or other organs

  • For any T, add (m) for multiple tumors
Section Title
  • NX: regional lymph nodes cannot be assessed
  • N0: no regional lymph node metastasis
  • N1: regional lymph node metastasis
Section Title
  • M0: no distant metastasis
  • M1: distant metastasis
Section Title
  • 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)