. 2018 Oct 1;48(12):1076–1082. doi: 10.1093/jjco/hyy141

Table 1.

Dose constraints

Organ at risk	Dose
Spinal cord	D_max < 25 Gy
Esophagus/Pulmonary artery	D_{1 cc} < 40 Gy
Esophagus/Pulmonary artery	D_{10 cc} < 35 Gy
Stomach/Small Intestine/Large intestine	D_{10 cc} < 36 Gy
Stomach/Small Intestine/Large intestine	D_{100 cc} < 30 Gy
Trachea/Bronchus	D_{10 cc} < 40 Gy
Other organ excluding rib, chest wall, liver, spleen	D_{1 cc} < 48 Gy
Other organ excluding rib, chest wall, liver, spleen	D_{10 cc} < 40 Gy
Skin	D_max ≤ 40 Gy (if possible)
Lung	V₂₀_Gy ≤ 37%

D_Xcc the highest dose irradiated X cc or smaller. V_{20 Gy} the volume irradiated 20 Gy or greater.