CD79A and nasopharyngeal carcinoma: EBV is closely linked to NPC, herein, the detection of EBV‐related factors has been developed and utilized in NPC diagnosis.35 EBV DNA by liquid biopsy has been verified as an outstanding tool in the early diagnosis EBV‐associated NPC.36 Several EBV antigens along with their specific antibodies are produced among the process of NPC development, including viral capsid antigen (VCA‐IgA) and intracellular early antigen (EA).