|
Organ, Limit, and Volume
|
Maximum dose limits
|
|---|
|
Esophagus
|
|
Dmax
|
35 Gy
|
|
≤ 1 cm3
|
30 Gy
|
|
≤ 5 cm3
|
20 Gy
|
|
Brachial plexus
|
|
Dmax
|
40 Gy
|
|
≤ 1 cm3
|
35 Gy
|
|
≤ 5 cm3
|
30 Gy
|
|
Trachea
|
|
Dmax
|
45 Gy
|
|
≤ 1 cm3
|
35 Gy
|
|
≤ 5 cm3
|
30 Gy
|
|
Main bronchus and bronchial tree
|
|
≤ 1 cm3
|
40 Gy
|
|
≤ 5 cm3
|
35 Gy
|
|
Heart
|
|
≤ 1 cm3
|
40 Gy
|
|
≤ 5 cm3
|
35 Gy
|
|
Total lung volume*
|
|
V20 Gy(RBE)
|
< 20% of total lung volume
|
|
V10Gy(RBE)
|
< 30% of total lung volume
|
|
V5Gy(RBE)
|
< 40% of total lung volume
|
|
Major vessels
|
|
Dmax
|
45 Gy
|
|
≤ 1 cm3
|
40 Gy
|
|
≤ 5 cm3
|
35 Gy
|
|
Skin
|
|
≤ 1 cm3
|
35 Gy
|
|
≤ 5 cm3
|
30 Gy
|
|
Chest wall
|
|
≤ 10 cm3
|
45 Gy
|
|
≤ 30 cm3
|
35 Gy
|
|
Spinal cord
|
|
Dmax
|
25 Gy
|
|
≤ 5 cm3
|
20 Gy
|
- *Defined as right plus left lungs minus the gross tumor volume.
