Course book Advanced Treatment Planning 2018

Planning – breast case

• VMAT

1 st arc 0-270 degrees 2 nd arc 270-180 degrees 3 rd arc: 180-90 degrees

• Breath-hold technique; small beams to optimize heart sparing 14 breath holds (without treatment verificiation)

• Adaptation of the PTV internal mammary lymph nodes (imn) → PTV imn evaluation, i.e. PTV imn minus lung