The prognosis and survival in endometrial cancer depend to a much degree on disease stage as determined by intraoperative findings and histology study. Lymph node involvement is the most important prognostic factor in early endometrial cancer. Poor prognosis factors statistically significantly influencing follow-up outcomes in clinical stage I-III endometrial cancer include disease stage, patient age, depth of myometrial invasion, degree of tumor differentiation, tumor size, the presence of dissemination, lymphogenic metastasis, myometrial blood and lymph vascular involvement, positive abdominal lavage.