Preoperative Accelerated Partial Breast Irradiation in Patients with Locally Recurrent or Second Primary Breast Cancer

Patients will be treated with 5 x 5.2 Gray (Gy) preoperative accelerated partial breast irradiation of the in situ tumor in the breast

Patients will be treated with breast conserving surgery.

Patients will undergo a (repeat) sentinel node procedure.

The biopsy track will be surgically removed.