#angiosarcoma

• Angiosarcoma — A highly aggressive and rare malignant tumorous formation, developed through the chaotic and atypical proliferation of endothelial cells lining the interior of blood vessels or lymphatic vessels. This well-defined structural oncological lesion can appear in any region of the body, but frequently affects the skin (especially the scalp), subcutaneous tissue, breast, liver, or spleen, being characterized by rapid progression, deep local infiltration, and a high rate of early metastasis.