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BACKGROUNDSurveillance, Epidemiology, and End Results (SEER) Program registries began collecting new data items, known as site‐specific factors (SSFs), related to breast cancer treatment, prediction, and prognosis under the Collaborative Stage version 2 (CSv2) Data Collection System for cases diagnosed in 2010. The objectives of this report are to: 1) assess the completeness of the new SSFs and discuss...
BACKGROUNDThe Collaborative Stage (CS) Data Collection System enables multiple cancer registration programs to document anatomic and molecular pathology features that contribute to the Tumor (T), Node (N), Metastasis (M) — TNM — system of the American Joint Committee on Cancer (AJCC). This article highlights changes in CS for colon and rectal carcinomas as TNM moved from the AJCC 6th to the 7th editions...
BACKGROUNDThe American Joint Committee on Cancer (AJCC) 7th edition introduced major changes in the staging of lung cancer, including the tumor (T), node (N), metastasis (M)—TNM—system and new stage/prognostic site‐specific factors (SSFs), collected under the Collaborative Stage Version 2 (CSv2) Data Collection System. The intent was to improve the stage precision that could guide treatment options...
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