Ureters
Malignant tumors
Staging

Author: Sean Williamson, M.D. (see Authors page)

Revised: 7 September 2017, last major update June 2012

Copyright: (c) 2002-2017, PathologyOutlines.com, Inc.

PubMed Search: Ureters malignant tumors staging [title]

Cite this page: Williamson, S. Staging. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/uretersstaging.html. Accessed October 18th, 2017.
Primary tumor (T)
  • TX: Primary tumor cannot be assessed
  • T0: No evidence of primary tumor
  • Ta: Papillary noninvasive carcinoma
  • Tis: Carcinoma in situ
  • T1: Tumor invades subepithelial connective tissue
  • T2: Tumor invades the muscularis
  • T3: For renal pelvis: tumor invades beyond muscularis into peripelvic fat or the renal parenchyma; for ureter: tumor invades beyond muscularis into periureteric fat
  • T4: Tumor invades adjacent organs or through the kidney into the perinephric fat
Regional lymph nodes (N)

Note: laterality does not affect the N classification

  • NX: Regional lymph nodes cannot be assessed
  • N0: No regional lymph node metastasis
  • N1: Metastasis in a single lymph node, 2 cm or less in greatest dimension
  • N2: Metastasis in a single lymph node, more than 2 cm but not more than 5 cm in greatest dimension or multiple lymph nodes, none more than 5 cm in greatest dimension
  • N3: Metastasis in a lymph node, more than 5 cm in greatest dimension
Distant metastasis (M)
  • M0: No distant metastasis
  • M1: Distant metastasis
Anatomic stage / prognostic groups
Stage 0a: Ta N0 M0
Stage 0is: Tis N0 M0
Stage I: T1 N0 M0
Stage II: T2 N0 M0
Stage III: T3 N0 M0
Stage IV: T4 N0 M0 or Any T N1 - 3 M0 or M1