HIF1A and metastatic malignant neoplasm in the lymph nodes: Moreover, the associations between HIF-1α, GLUT-1, and CAIX expression and survival rate was also performed according to univariable and multivariable Cox regression analysis (including variables such as advanced FIGO stage (III + IV), high grade (G3), nonendometrioid subtype (Bokhman II), lymph node metastases, and deep myometrial infiltration (≥50%) (Tables 5-6).