Endometrial stromal sarcoma extending to the pulmonary artery: A rare case report

Figure 5 Pathological images. A: Endovascular and intracardiac tumors; B: Cut section of the uterine tumor shows that the tumor diffusely infiltrated the whole layer of the uterine wall; C: Microscopically, the tumor cells were closely arranged and cytologically atypical (hematoxylin eosin staining, × 400); D: The tumor shows positive CD10 immunoreactivity.