We found that CRC patients have significantly higher levels of CD33+CD11b+HLA-DR−/low cells than HD and PBC (CRC: 78.22 ± 2.65 versus PBC: 66.86 ± 2.96 and HD: 70.94 ± 2.40, Figure 1(c)). Here, CD33 is linked to colorectal carcinoma.