Figure 2

Comparison of EBV DNA load in patients with NPC according to different metastatic sites and the number of organ metastases. (A–D) Plasma EBV DNA levels of patients with NPC with or without liver (A), bone (B), lung (C), and other organ metastasis (D). (E) Plasma EBV DNA levels of patients with NPC according to the number of metastasis. (F) Pattern of organs metastasis according to the different EBV infection status. M, metastasis.