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Staging (GIST)
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Staging (GIST)
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Pathologic Staging (pTNM)
CAP Approved Gastrointestinal • GI Stromal Tumor 4.0.0.1
TNM Descriptors (required only if applicable) (select all that apply)
___ m (multiple)
___ r (recurrent)
___ y (posttreatment)
Primary Tumor (pT)
___ pTX: Primary tumor cannot be assessed
___ pT0: No evidence of primary tumor
___ pT1: Tumor 2 cm or less
___ pT2: Tumor more than 2 cm but not more than 5 cm
___ pT3: Tumor more than 5 cm but not more than 10 cm
___ pT4: Tumor more than 10 cm in greatest dimension
Regional Lymph Nodes (pN) (Note D)
___ pN0: No regional lymph node metastasis or unknown lymph node status
___ pN1: Regional lymph node metastasis
Distant Metastasis (pM) (Note D) (required only if confirmed pathologically in this case)
___ pM1: Distant metastasis
Specify site(s), if known: _____________________