hi dana, do a google search for 'vascular lesion of the breast' or vascular tumor of breast.' I did and here's what I found. There were numerous other sites and medical articles. sounds like mother should see her physician or a surgeon. possibly/probably needs biopsy. Laurie Wheeler << Surgical Pathology Criteria http://surgpathcriteria.stanford.edu/ Angiomatosis of the Breast Very rare diffuse benign vascular process of the breast Alternate/Historical Names Diffuse angiomatosis Very rare, only five cases reported Do not make this diagnosis without consultation Diffuse process Surrounds ducts and lobules No invasion into lobules Large irregular vascular spaces No muscular wall May have occasional anastomoses May have both blood and lymphatic channels Complete excision and examination is required for the diagnosis of any benign vascular lesion in the breast Differential Diagnosis Angiosarcoma Benign breast vascular lesions Breast Tumors with Vascular (and Pseudovascular) Differentiation Angiomatosis Angiosarcoma Hemangioma Perilobular Hemangioma Post-irradiation Atypical Vascular Lesion (skin of breast) Venous Hemangioma (Pseudoangiomatous stromal hyperplasia) Bibliography Rosen PP, Oberman HA. Tumors of the Mammary Gland, Atlas of Tumor Pathology, AFIP Third Series, Fascicle 7, 1993 Rosen PP. Vascular tumors of the breast. III. Angiomatosis. Am J Surg Pathol. 1985 Sep;9(9):652-8. Morrow M, Berger D, Thelmo W. Diffuse cystic angiomatosis of the breast. Cancer. 1988 Dec 1;62(11):2392-6. >>> *********************************************** Archives: http://community.lsoft.com/archives/LACTNET.html To reach list owners: [log in to unmask] Mail all list management commands to: [log in to unmask] COMMANDS: 1. To temporarily stop your subscription write in the body of an email: set lactnet nomail 2. To start it again: set lactnet mail 3. To unsubscribe: unsubscribe lactnet 4. To get a comprehensive list of rules and directions: get lactnet welcome