

10 female pts under 30 years old
Different combined treatment
solutions:
• IFRT vs INRT
• 30 Gy vs 20 Gy
• 3D-CRT (AP/PA) vs VMAT (2
coplanar arcs + 1 non-coplanar
arc)
Filippi et al, Pract Rad Oncol 2013
Breast cancer risk with butterfly-VMAT