Post-radiotherapy vascular lesions of the breast: immunohistochemical and molecular features of 74 cases with long term follow up and literature review

A wide range of post-radiotherapy vascular lesions can occur, ranging from Benign lymph-angiomatous papule of the skin (BLAP), to Atypical vascular Lesions (AVL) and post-RT angiosarcomas (Post-RT AS). The relationship between benign and malignant post-RT breast lesions and their prognostic features is still controversial.