Radiation-Induced Breast Angiosarcoma: Case Report and Clinical Approach.

Importance: Radiation-induced angiosarcoma after conservative treatment of breast cancer affects a small percentage of patients but has a significant impact on survival. Early detection requires a high index of suspicion and is important for optimal management of this aggressive disease.

Observations: The patient reported here presented with radiation-induced angiosarcoma of the left breast 14 years after radiation therapy.