Figure 1

Intersect of average DVHs of IMRT and 3D-CRT for organs at risk. A: intersect of average DVHs for both breasts, B: intersect of average DVHs for lungs minus PTV; C: intersect of average DVHs for heart; D: intersect of average DVHs for oesophagus; E: intersect of average DVHs for thyroid.