IL1B and microcytic anemia: Additionally, strong positive relation has been detected in comparison of galectin-1 and IL-33 (r = 0.870; p = 0.001), galectin-1 and IL-1 (r = 0.795; p = 0.001) and IL-33 and IL-1 (r = 0.826; p = 0.001) values in serum of CRC patients with diagnosed microcytic anemia (Figure 4E, Figure 4F, Figure 4G).