In the clinical analysis of NPC diagnosis, the sensitivity of individual antibodies P85-Ab, VCA-IgA, Rta-IgG, and Zta-IgA is 93.00%, 75.00%, 59.00%, and 62.00%, respectively, while their specificity is 99.00%, 95.00%, 96.00%, and 88.00%. The gene discussed is CD79A; the disease is nasopharyngeal carcinoma.