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Fig. 1 | BMC Cancer

Fig. 1

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

Fig. 1

a and b (left to right): Kaplan Meier curves demonstrating probability of overall survival of patients with HPV associated oropharyngeal cancer according to a 7th Edition TNM staging system with no significant difference between any stage groups and b 8th Edition TNM staging system with a statistically significant difference between stage I and II (p < 0.0001), but not between stages II and III. The 5 year probability of overall survival was 96.9% for stage I, 77.1% for stage II and 60.3% for stage III

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