Angiosarcoma patients are mostly diagnosed after the tumor has spread all over the body and this type of late identification may result in a poor prognosis. The prognosis of angiosarcoma is worse than that of primary soft tissue sarcomas. The 5-year survival rate of angiosarcomas is about 40%. Breast angiosarcoma is a rare malignancy with limited publications confined to small retrospective case reviews and case reports. Angiosarcoma is a rare and aggressive malignant tumor of vascular origin. Angiosarcoma is a locally aggressive tumor with a high rate of lymph node infiltration and metastases.Angiosarcoma (AS) is an aggressive malignant tumor of vascular endothelial origin that comprises approximately 2% of soft tissue sarcomas. Angiosarcoma is usually red in color and involves the skin. Sometimes it is mistaken for a blood blister. It is a subtype of soft-tissue sarcoma and are aggressive, malignant endothelial-cell tumours of vascular or lymphatic origin. Angiosarcoma is a rare type of cancer that forms in the lining. The most widely accepted treatment for cutaneous angiosarcoma (CAS) is wide local excision and postoperative radiation to decrease the riskf the blood vessels and lymph vessels. Your lymph vessels, which are part of your immune system, collect bacteria, viruses and waste products from your body and dispose of them.