From: Incidental dose distribution to locoregional lymph nodes of breast cancer patients undergoing adjuvant radiotherapy with tomotherapy - is it time to adjust current contouring guidelines to the radiation technique?
Organ at risk
Dose constraint
Ipsilateral lung
V20 < 20%
Contralateral lung
mean < 5 Gy
Heart
V30 < 10%, mean < 3 Gy
Contralateral Breast
Myelon
< 45 Gy
Ipsilateral Humerus
Dmax ≤100% of prescribed dose