 Eligible patients will undergo standard of care lumpectomy without sentinel node biopsy followed by radiation and hormonal therapy or have already undergone the procedure prior to enrollment in the study. She may also receive chemotherapy as determined by her treating physician. A physical examination of the affected breast and regional lymph nodes will be conducted every six months for the first two years of follow up and then yearly for the last 3 years of follow up. Imaging of the affected breast will occur every 12 months after surgery per standard of care. 