Figure 4

IFITM1 expression in low-grade endometrial stromal sarcoma (a and b) and undifferentiated uterine sarcoma (c and d). Notice the strong and diffuse staining in the former and the strong nuclear and less intense cytoplasmic staining in the latter (hematoxylin and eosin—a and c; IHC—b and d. Original magnification × 20—a and b, × 200—c and d).