Figure 1

Planning CT of an anthropomorphic phantom with an Intrabeam applicator in the upper outer quadrant of the right breast showing calculated isodoses (1%-100%). (a) IORT (20 Gy at 0 mm, 50 kV). (b) APBI (34 Gy at 10 mm, 50 kV). (c) EBRT (50 Gy, 6 MV).