HSPA2 and metastatic malignant neoplasm in the lymph nodes: Univariate analysis demonstrated that TNM stage (P = 0.013), the status of lymph node metastasis (P = 0.040) and vascular invasion (P = 0.017), and HSPA2 mRNA expression level (P = 0.007) were significantly associated with overall survival of pancreatic cancer patients (Table 2).