Compared with the normal mucosa, the expression of CD69L and FasL is increased in infiltrating type I NKT cells in CRC tumor tissue, IFN- γ and granzyme B are also increased, and the OS rate of CRC patients with high-level NKT cell infiltration is higher than that of patients with low NKT cell infiltration (129). This evidence concerns the gene FASLG and colorectal carcinoma.