BSG and metastatic malignant neoplasm in the lymph nodes: Multivariate analysis showed that CD147 expression level (HR=3.126, 95% CI=1.025-9.530, P=0.004) and lymph node metastasis (HR=2.818, 95% CI=1.072-7.408, P=0.036) were independent risk factors affecting the prognosis of ovarian cancer.