CD19 and colorectal carcinoma: PWM binding CD11b+ myeloid cells and CD19+ B lymphocytes showed a significant increase in PBMCs of CRC mice compared to healthy controls (19.55 ± 9.80 vs. 10.53 ± 2.84, p = 0.01, 22.80 ± 8.17 vs. 14.89 ± 6.17, p = 0.03) (Figure 6A).