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Kidney tumor

Adult malignancies - Miscellaneous

Staging Renal pelvis and ureter


Reviewers: Sean Williamson, M.D. (see Reviewers page)
Revised: 12 July 2012, last major update July 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.

Primary tumor (T)

General
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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 (lamina propria)
T2: Tumor invades the muscularis propria
T3: Renal pelvis - tumor invades beyond muscularis into peripelvic fat or the renal parenchyma
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)

General
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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
__: No nodes submitted or found


Distant metastases (M)

General
=========================================================================

M0 No evidence of metastases based on the surgical specimen and clinical review (in CAP protocol, is called "not applicable", but functions as M0 in anatomic staging below
M1: Distant metastasis


Anatomic stage / prognostic groups

General
=========================================================================

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

End of Kidney tumor > Adult malignancies - Miscellaneous > Staging Renal pelvis and ureter


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