The specific interaction between Le glycans and DC-SIGN [15](Nonaka et al., 2008), the novel function of DC-SIGN in establishing the initial contact between DCs and resting T cells [27]–[28], and the infiltration of DCs into primary colorectal cancer have all been found to be associated with patient survival of and tumor progression [29]–[30]. Here, CD209 is linked to colorectal cancer.