Microscopic appearance showed that endometrial stromal nodule (ESN) is histologically identical to low grade endometrial stromal sarcoma (LGESS).

• 肿瘤的镜下特点 :子宫内膜间质结节 ( ESN)和低度恶性子宫内膜间质肉瘤 ( L GESS)组织学表现相似。