To evaluate skin, breast, and chest wall adverse events occurring within 1 year from the completion of re-irradiation.

• Histopathologic confirmation via lumpectomy of local in-breast ipsilateral recurrence
• Final breast surgery (lumpectomy and/or final re-excision) within 42 days prior to study entry;
• Initial lumpectomy followed by whole breast radiation >1 year prior to study entry;
• Bilateral breast mammogram and bilateral breast MRI within 120 days prior to study entry;
• Negative histologic margins of resection, no tumor on ink, following breast-preserving surgery of local recurrence