Figure 5

Microscopic finding of the angiosarcoma in the anteromedial aspect of ascending colon. Proliferation of malignant blood vessels was seen in the periphery of the abscess(left upper corner) (H&E, × 40). Inlet: Malignant epitheliod tumor cells were proliferating around the calcified foreign material, which was found in the periphery of the abscess. (H&E, × 200)