Table 1

Target volumes	3D-CRT (dorsal decubitus)	3D-CRT (lateral isocentric decubitus)	HT
Left breast	95.7%	78.0%	102.6%
Tumor bed	95.0%	91.7%	96.2%

3D-CRT: three-dimensional conformal radiotherapy; HT: Helical tomotherapy

Table 1: Delivered relative doses to 95% of the planning target volume.