Low-grade endometrial stromal sarcoma: A Turkish uterine sarcoma group study analyzing prognostic factors and disease outcomes

•The FIGO stage is the main prognostic factor for LGESS•When analyzing factors within subgroups of stage I and stage ≥II, there is no significant prognostic factor for stage I•Lymphadenectomy provides significant DFS advantage in patients with extrauterine disease (stage ≥II)•The risk of lymph node metastasis at pelvic and paraaortic lymphatic basins is not negligible to omit lymphadenectomy