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. 2019 Mar 29;39:14. doi: 10.1186/s40880-019-0357-9

Fig. 1.

Fig. 1

Plasma Epstein-Barr virus (EBV) DNA levels in patients with nasopharyngeal carcinoma (NPC). a Plasma EBV DNA levels before the initiation of treatment and before surgery for all 82 patients; b plasma EBV DNA levels before the initiation of treatment for the patients with and without tumor cells detected in dissected cervical lymph nodes; c plasma EBV DNA levels before neck dissection for the patients with and without tumor cells detected in dissected cervical lymph nodes; d plasma EBV DNA levels before the initiation of treatment for all 82 patients according to clinical stage; e plasma EBV DNA levels before the initiation of treatment for all 82 patients according to T stage; f plasma EBV DNA levels before the initiation of treatment for all 82 patients according to N stage