The IgA concentration in tears of conjunctival MALT lymphoma patients (153.4 ± 166.9 μg/mL) showed statistically significant difference compared to that of the control group (252.9 ± 87.1 μg/mL) (Wilcoxon rank sum test, P < 0.05) (Fig. 5A). The gene discussed is CD79A; the disease is MALT lymphoma.