Figure 1

Representative images of dedifferentiated endometrial carcinomas. (a and b) Case 3 showing both the FIGO (The International Federation of Gynecology and Obstetrics) grade 1 endometrioid and the undifferentiated component in (a), with a higher magnification of the undifferentiated component in (b). (c and d) Case 5 showing the FIGO grade 1 endometrioid component in (c) and the undifferentiated component in (d). (e and f) Case 7 showing both the FIGO grade 1 endometrioid and the undifferentiated component in (e), with a higher magnification of the undifferentiated component in (f).