Low-Grade Endometrial Stromal Sarcoma in a 22-Year-Old Maiden Female: A Rare Case Report from Syria.

Endometrial stromal sarcoma (ESS) is a rare and challenging type of endometrial tumor, constituting only about 0.2% of all uterine malignancies and occurring in women 42-58 years of age. ESS is usually misdiagnosed as leiomyoma.