Alternate Name Item # Length Source of Standard Implemented Year Implemented Version Retired Year Retired Version Column #
CS Tumor Size/Extension Evaluation
CS TS/Ext-Eval
2820 1 AJCC 2003 10 991 - 991
Description
Records how the codes for the two items CS Tumor Size [2800] and CS Extension [2810] were determined, based on the diagnostic methods employed.
Rationale
This item is used by Collaborative Staging to describe whether the staging basis for the TNM-T code is clinical or pathological and to record applicable prefix and suffix descriptors used with TNM staging.
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.)