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Soft tissue tumors
Staging
Reviewer: Vijay Shankar, M.D. (see Reviewers page)
Revised: 9 March 2013, last major update November 2012
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.
General
=========================================================================
- This staging system applies to soft tissue sarcomas, but excludes fibromatosis (desmoid tumor), GIST, infantile fibrosarcoma, inflammatory myofibroblastic tumor, Kaposi sarcoma, mesothelioma and sarcomas arising from the dura mater, brain, parenchymatous organs or hollow viscera (AJCC Cancer Staging Manual (7th ed))
Primary tumor (T)
=========================================================================
TX: Primary tumor cannot be assessed
T0: No evidence of primary tumor
T1: Tumor 5 cm or less in greatest dimension
T1a: Superficial tumor
T1b: Deep tumor
T2: Tumor more than 5 cm
T2a: Superficial tumor
T2b: Deep tumor
Notes:
- Superficial tumor is located exclusively above the superficial fascia without invasion of the fascia
- Deep tumor is located either exclusively beneath the superficial fascia, superficial to the fascia with invasion of or through the fascia, or both superficial yet beneath the fascia
Regional lymph nodes (N)
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NX: Regional lymph nodes cannot be assessed
N0: No regional lymph node metastasis
N1: Regional lymph node metastasis
Distant metastasis (M)
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M0: No distant metastasis
M1: Distant metastasis
Histologic grade (G)
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GX: Grade cannot be assessed
G1: Grade 1 of 3 (low grade)
G2: Grade 2 of 3
G3: Grade 3 of 3 (high grade)
Stage grouping
=========================================================================
| IA:
| T1a-b
| N0
| M0
| G1, GX
|
| IB:
| T2a-b
| N0
| M0
| G1, GX
|
| IIA:
| T1a-b
| N0
| M0
| G2-3
|
| IIB:
| T2a-b
| N0
| M0
| G2
|
| III:
| T2a-b
| N0
| M0
| G3
|
|
| Any T
| N1
| M0
| Any G
|
| IV:
| Any T
| Any N
| M1
| Any G
|
End of Soft tissue tumors > Staging
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