Definition: A highly malignant subset of neoplasms arising from the endometrial stroma. Tumors in this group infiltrate the stroma with a wide range of atypia cells and numerous mitoses. They are capable of widespread metastases (NEOPLASM METASTASIS).
coordinate IM with ENDOMETRIAL NEOPLASMS (IM); SARCOMA, ENDOMETRIAL STROMAL, LOW-GRADE see ENDOMETRIAL STROMAL TUMORS is also available