Endometrial stromal sarcoma

Endometrial stromal sarcoma (ESS) is a tumor derived from endometrial stromal cells. According to the histological and clinical characteristics of tumors, they are divided into two categories, namely low grade endometrial stromal sarcoma (LGESS) and high grade endometrial stromal sarcoma. HGESS). Low-grade endometrial stromal sarcoma, formerly known as endolymphaticstromal endometriosis, endolymphatic stromal myosis, etc., accounted for about 80%, the disease progresses slowly and the prognosis is good . Highly malignant endometrial stromal sarcoma has a high degree of malignancy, rapid disease progression, easy invasion and metastasis, and poor prognosis. The pathological characteristics of the two are also different.