Tumors of the upper outer quadrant of the breast and with certain characteristics can be excised with lumpectomy, intra-operative radiation therapy, and oncoplastic reconstruction of the lumpectomy defect. In general, tumors that are amenable to lumpectomy and IORT tend to be less than 3 cm, estrogen receptor positive, unifocal, and have negative lymph node status. When a breast undergoes a…
