CD79A and colorectal carcinoma: ELISA assays based on rEiSWP1 and rEiPTP1 were the most correlated, whether for the detection of IgG on the one hand (ρ = 0.5811, 0.6272 and 0.5341, for the global population, for controls and for CRC patients, respectively) or IgA on the other hand (ρ = 0.5193, 0.4948 and 0.5520).