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Table 2 Dose constraints employed during the planning process

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

mean < 5 Gy

Myelon

<  45 Gy

Ipsilateral Humerus

Dmax ≤100% of prescribed dose