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Table 3 The number (and %) of patients migrating by stage from the 7th to the 8th edition TNM staging system

From: Validation of the 8th edition UICC/AJCC TNM staging system for HPV associated oropharyngeal cancer patients managed with contemporary chemo-radiotherapy

  Stage 8Th Edition TNM
I II III IV
7th Edition TNM I 1 (0.7%)    
II 11 (7.2%) 2 (1.3%)   
III 24 (15.7%) 8 (5.2%) 1 (0.7%)  
IV 63 (41.2%) 24 (15.7%) 18 (11.8%) 1 (0.7%)