Figure 4

SWI/SNF-intact dedifferentiated endometrial carcinoma and FIGO (The International Federation of Gynecology and Obstetrics) grade 3 endometrioid carcinomas. Case 2 showing the low-grade endometrioid component (a) and undifferentiated component (b), with intact SMARCA4 (c) and intact SMARCB1 (d) expression. (e and f) Two cases of FIGO grade 3 endometrioid carcinomas, with one case showing focal glandular differentiation and the lack of cellular discohesion (e) and the other case showing well-demarcated cohesive lobules (f).