CD40LG and colorectal carcinoma: In addition, compared with healthy controls, patients with CRC had a higher seroprevalence of T. gondii IgG antibodies (16.0% vs. 9.1%; P = 0.007), although the seroprevalence of T. gondii IgM antibodies was not significantly different between the two groups (2.8% vs. 1.1%; P = 0.13).