The positive rate of CgA and the density of EC in G 1 were higher than those in G 2 and G 3. Conclusions The presence of endocrine cells in endometrioid adenocarcinoma shows atypia of tumors.

• 高分化的内膜样腺癌组织中 Cg A阳性率及 EC密度高于中、低分化的内膜癌组织。