Small bowel (small intestine)
Features to report for tumors

Author: Hanni Gulwani, M.D. (see Authors page)

Revised: 27 February 2018, last major update August 2012

Copyright: (c) 2003-2018,, Inc.

PubMed Search: Features to report for tumors small bowel[TI]

Cite this page: Gulwani, H. Features to report for tumors. website. Accessed March 19th, 2018.
Definition / general
  • Tumor location
  • Histologic type
  • Histologic grade if relevant (well differentiated: > 95% glands; moderately: 50 - 95% glands; poorly: 5 - 49% glands; undifferentiated: < 5% glands)
  • Tumor size
  • Extent / depth of invasion
  • Margin involvement (proximal, distal, radial [soft tissue closest to deepest tumor penetration]) and distance of tumor to margin
  • Invasion of other structures
  • Obstruction, perforation, ulceration, proximal dilation
  • Nuclear grade, presence of necrosis
  • Angiolymphatic invasion
  • Other pathologic findings (polyps, Crohn's disease, celiac disease)
  • Nodal involvement (number involved, number identified)
  • Results of special studies
Additional references