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Fig. 6 | Chinese Journal of Cancer

Fig. 6

From: A new prognostic histopathologic classification of nasopharyngeal carcinoma

Fig. 6

Kaplan-Meier survival estimates for NPC patients at different clinical stages (the 1992 China and 1997 AJCC staging systems combined) stratified by subtypes according to the proposed histopathologic classification. The OS differed significantly by the proposed classification for patients with stage I (P = 0.015, a), II (P < 0.001, b), III (P < 0.001, c), or IV disease (P < 0.001, d). The log-rank test was used to calculate P values

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