Figure 3.
Microscopy shows that the tumor tissue consists of abundant spindle cells. Most cells are arranged in bundles, with darkly stained round or ovoid nuclei. Epithelioid cells are also seen in local regions.
Microscopy shows that the tumor tissue consists of abundant spindle cells. Most cells are arranged in bundles, with darkly stained round or ovoid nuclei. Epithelioid cells are also seen in local regions.