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)

Joo et al. World Journal of Surgical Oncology 2005 3:60   doi:10.1186/1477-7819-3-60
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