CD79A and nasopharyngeal carcinoma: The sensitivity and specificity of P85-Ab, VCA-IgA, Rta-IgG and EA-IgA for predicting the risk of NPC were 86.42% and 99.50%, 88.89% and 92.21%, 56.79% and 95.98% and 61.73% and 90.20%, respectively.