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Several changes have been made to the primary tumor (T) and lymph node (N) categories in the new 8 th edition of the American Joint Committee on Cancer (AJCC) staging system for perihilar cholangiocarcinoma (pCCA). This study was conducted to validate the 8 th edition of the AJCC staging system for pCCA in China.

journal of gastrointestinal oncology

External validation study of the 8th edition of the American Joint Committee on Cancer staging system for perihilar cholangiocarcinoma: a single-center experience in China and proposal for simplification