Significantly increased association with gallbladder cancer was observed for subjects with both the FEN1-69G > A GA (OR = 1.73, 95% CI = 1.02–2.63) and the FEN1-69G > A GG (OR = 2.29, 95% CI = 1.31–3.95) (Table 2). Here, FEN1 is linked to gallbladder cancer.