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. 2017 Oct;9(10):3840–3850. doi: 10.21037/jtd.2017.09.125

Table 1. Organs at risk and their dose limits.

Organ HF (Gy) CF (Gy)
Ipsilateral lung
   D25 17.7 20
   Dmean 13.3 15
Both lungs
   D20 17.7 20
Heart
   D30 35.5 40
   D40 26.6 30
Contralateral breast
   Dmax 4.4 5
   Dmean 0.9 1
Spinal cord
   Dmax 35 40
Trachea
   Dmax 47.8 54
Brachial plexus
   Dmax 47.8 54
Humeral head
   D20 26.6 30

HF, hypofractionated radiotherapy; CF, conventional fractioned radiotherapy.