Pathologic Staging (pTNM) AJCC 8th Ed

CAP Approved Gastrointestinal • Esophagus and Esophagogastric Junction 4.0.0.0

TNM Descriptors (required only if applicable) (select all that apply)

___ m (multiple primary tumors)

___ r (recurrent)

___ y (posttreatment)

Primary Tumor (pT)

___ pTX:        Tumor cannot be assessed

___ pT0:        No evidence of primary tumor

___ pTis:        High-grade dysplasia, defined as malignant cells confined to the epithelium by basement membrane

___ pT1:        Tumor invades the lamina propria, muscularis mucosae, or submucosa

___ pT1a:         Tumor invades the lamina propria or muscularis mucosae

___ pT1b:         Tumor invades the submucosa

___ pT2:        Tumor invades the muscularis propria

___ pT3:        Tumor invades adventitia

___ pT4:        Tumor invades adjacent structures

___ pT4a:         Tumor invades the pleura, pericardium, azygos vein, diaphragm, or peritoneum

___ pT4b:        Tumor invades other adjacent structures, such as aorta, vertebral body, or airway

Regional Lymph Nodes (pN) (Note I)

___ pNX:        Regional lymph nodes cannot be assessed

___ pN0:        No regional lymph node metastasis

___ pN1:        Metastasis in one or two regional lymph nodes

___ pN2:        Metastasis in three to six regional lymph nodes

___ pN3:        Metastasis in seven or more regional lymph nodes

Distant Metastasis (pM) (required only if confirmed pathologically in this case)

___ pM1:        Distant metastasis

       Specify site(s), if known: ____________________________

Ancillary Studies

Note: For HER2 reporting, the CAP Gastric HER2 template should be used. Pending biomarker studies should be listed in the Comments section of this report.

    Specify: ___________________________________

Gastrointestinal

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