AUB: abnormal uterine bleeding; BS: bilateral salpingectomy; BSO: bilateral salpingo-oophorectomy; ER: estrogen receptor; FIGO: International Federation of Gynecology and Obstetrics; IHC: immunohistochemistry; LVSI: lymphovascular space invasion; LGESS: low-grade endometrial stromal sarcoma; N/A: not available; NED: no evidence of disease; PgR: progesterone receptor; TAH: total abdominal hysterectomy; TLH: total laparoscopic hysterectomy; TCR: transcervical resection. This evidence concerns the gene ESR1 and endometrioid stromal sarcoma.