CD79A and colorectal carcinoma: There were no significant differences in the antibody levels observed in CRC cases at the early and advanced stages of malignancy (IgG: 0.4374 ± 0.1246 vs. 0.3244 ± 0.1667, P = 0.095; IgA: 0.4538 ± 0.1665 vs. 0.4313 ± 0.1576, P = 0.738) (Figure 4).