bilateral primary breast angiosarcoma: a case report

background: angiosarcoma can develop in all parts of the body containing blood vessels, including breast. statistically, less than 10% of all angiosarcomas originate in the breast. angiosarcoma accounts for less than 0.05% of breast primary cancers. primary angiosarcoma develops without a history of treatment for breast cancer, whereas secondary angiosarcoma develops in patients who have already had treatments for other primary breast cancer. case presentation: in review of the literature, primary angiosarcoma, particularly bilateral, is rare. in this study, we present a patient, a young woman, with primary bilateral angiosarcoma. conclusion: although breast angiosarcoma is rare, we should be aware of it, particularly in young women with breast mass that is hyperflow in color doppler ultrasound.