All disease removed. No oral contraceptives in last 3 mo. Must be registered to study Z0010. No medical contraindication to ALND or post-op breast irridation. Lumpectomy margins free of disease.
Sentinel node contains metastatic breast cancer.
Tumors must be amenable to segmental mastectomy. No prior chemo. Proven DCIS or invasive ca. Low or intermed. Must have sufficient tissue from I. Bx. for study submission.