APOB and metastatic malignant neoplasm in the lymph nodes: And lymph node metastasis (P = 5.88 × 10− 7), tumor differentiation (P = 0.023), radical cure (P = 4.87 × 10− 7), R0 (P = 0.025), TC/HDL (P = 0.049), ApoB (P = 7.12 × 10− 7), lipoprotein (P = 1,12 × 10− 6), CA199 (P = 0.007) were shown to determine the OS (Table 2).