The histological features of endometrioid adenocarcinomas were irregular confluence, and papillar glandular patterns;enlarged, round and vacuolus nuclei, prominent nucleoli;

• 子宫内膜样腺癌组织学特点是腺体不规则，融合，乳头状结构，极性消失，腺上皮核大变圆，空泡状，核仁清楚。