SACK1H and metastatic malignant neoplasm in the lymph nodes: Multivariate analysis was performed with the factors clearly associated with OS or RFS; age, preoperative serum level of CA19–9, tumor stage, T category of tumor stage, lymph node metastasis, distant metastasis, lymphovascular invasion, histologic type, histologic grade, and the expression of nuclear FAM83H, cytoplasmic FAM83H, nuclear ZNF16, and cytoplasmic ZNF16.