Pulmonary constraints:
pneumonitis
Ptts treated with mediastinal IMRT
To keep risk < 10 %:
Mean lung dose ≤ 13.5 Gy
V
25
≤ 23 %
20
≤ 30 %
15
≤ 35 %
10
≤ 40 %
5
≤ 55 %
Pinnix CC. IJROBP 2015; 92: 175-82