title: Angiosarcoma of the breast.
abstract: We report a case of the rare angiosarcoma of the breast, illustrating the not infrequent error of making the initial incorrect diagnosis of benign haemangioma and the subsequent relentless progression of the lesion despite mastectomy, external beam and interstitial radiotherapy, and chemotherapy.
mesh_terms: D000008:Abdominal Neoplasms / Q000556:secondary; D000328:Adult; D001859:Bone Neoplasms / Q000556:secondary; D001943:Breast Neoplasms / Q000473:pathology* / Q000628:therapy; D003131:Combined Modality Therapy; D003951:Diagnostic Errors; D005260:Female; D006391:Hemangioma / Q000473:pathology; D006394:Hemangiosarcoma / Q000473:pathology* / Q000556:secondary / Q000628:therapy; D006801:Humans; D009364:Neoplasm Recurrence, Local / Q000628:therapy