Fig. 3

a At high-power magnification, capillaries are seen. The lumen is filled with numerous red blood cells. The interstitium is loose and edematous, surrounded by inflammatory exudate and necrotic tissue. b Immunohistochemistry suggested ERG (+)
a At high-power magnification, capillaries are seen. The lumen is filled with numerous red blood cells. The interstitium is loose and edematous, surrounded by inflammatory exudate and necrotic tissue. b Immunohistochemistry suggested ERG (+)