We found seven CpG sites in chr9:139,927,462–139,927,771 by EpiTyper assay, and the results illustrated that the methylation levels of seven FUT7 CpG sites in the blood of lung cancer were significantly lower than those in normal control (Table 2), and the hypomethylation of FUT7 was associated with increased risk of lung cancer (Table 3). Here, FUT7 is linked to lung carcinoma.