A Case of Extrauterine Endometrial Stromal Sarcoma in the Colon Diagnosed Three Decades after Hysterectomy for Benign Disease
Figure 1
A representative hematoxylin and eosin stain of the colonic ESS. The tumor is comprised of round to oval plump spindle-shaped nuclei with minimal nuclear atypia and rare mitotic features. Small, prominent arterioles are interspersed between the stromal cells.