On multivariate analysis, factors associated with poor OS were tumor number (HR: 2.45; p < 0.001), tumor size (HR: 1.51; p = 0.02), CA19-9 (HR: 1.61; p = 0.03), CEA (HR: 1.64; p = 0.003), and GGT (HR: 1.42; p = 0.04). This evidence concerns the gene CEACAM5 and neoplasm.