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Primary Size Extension

Primary Sites Where Tumor Size Is Required for AJCC Staging

In order to classify the T category for certain sites, it is necessary to know the size of the primary tumor, usually for T1 - T3. For the following sites and site categories, the size of the primary tumor must be recorded in order to assign the T category and derive a stage group:

Code Site
Lip and oral cavity ** 7 sites **
Oropharynx ** 3 sites **
Hypopharynx
Major salivary glands ** 3 sites **
Thyroid
Anal canal
Liver and intrahepatic bile ducts
Pancreas ** 3 sites **
Lung
Bone
Soft tissue sarcoma ** 3 sites **
Skin