Breast Angiosarcoma, also known as angiosarcoma of the breast, is related to angiosarcoma and hemangioendothelioma. An important gene associated with Breast Angiosarcoma is PECAM1 (Platelet And Endothelial Cell Adhesion Molecule 1), and among its related pathways/superpathways are PI3K-Akt signaling pathway and Signaling by Receptor Tyrosine Kinases. Affiliated tissues include breast and lymph node, and related phenotypes are Decreased viability and muscle