Alternate Name Item # Length Source of Standard Implemented Year Implemented Version Retired Year Retired Version Column #
2800 3 AJCC 2003 10 985 - 987
Description
Records the largest dimension or diameter of the primary tumor in millimeters.
Rationale
Tumor size at diagnosis is an independent prognostic indicator for many tumors and it is used by Collaborative Staging to derive some TNM-T codes.
Codes (See the most current version of the Collaborative Stage Data Collection System (http://cancerstaging.org),13 for rules and site-specific codes and coding structures.)