The tumor, which may occur in the residual breast or overlying skin following wide local excision and radiotherapy is
High-Yield Explanation
Secondary angiosarcoma presents in older women following radiotherapy for breast cancer ( a median of 10 years ) Stewa-Treves syndrome is a rare, deadly cutaneous angiosarcoma that develops in long-standing chronic lymphedema . Chronic lymphedema resulting from radical mastectomy and/or radiotherapy for breast cancer(occurs in arm, not breast tissue)