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Patient distribution in the 7th American Joint Committee on Cancer (AJCC) (A) tumor-node-metastases (TNM) staging system and (B) tumor-node-ratio-metastases (TRM) staging system. Compared with the 7th AJCC TNM staging system, 55 (39.9%) GC patients were downstaged and no patients were upstaged in the TRM staging system.
