Table 1.
The clinicpathological characters of 749 patients in this study.
Figure 1.
Survival curves for nasopharyngeal carcinoma (NPC) patients with and without retropharyngeal lymph node (RLN) metastasis.
RLN (-): NPC patients without RLN metastasis; RLN (+): NPC patients with RLN metastasis.
Table 2.
Summary of multivariate analysis of prognostic factors in 749 patients with nasopharyngeal carcinoma.
Table 3.
Five-year survival rates for 481 nasopharyngeal carcinoma patients with retropharyngeal lymph nodes metastasis according to the characteristics of retropharyngeal lymph node metastasis.
Table 4.
Summary of multivariate analysis of prognostic factors in 481 nasopharyngeal carcinoma patients with retropharyngeal lymph node metastasis (RLN) metastasis.
Figure 2.
Survival curves for patients with nasopharyngeal carcinoma (NPC) stratified by the N classification of the 7th edition of the UICC/AJCC staging system for NPC.
N1 + RLN only: N1 disease with retropharyngeal lymph node metastasis and without cervical lymph node metastasis; N1 + CLN: N1 disease with cervical lymph node metastasis.