Basic Clinical Radiobiology 2017

Complications versus mean lung dose

1.0

2/3

TD 50

= 30.8 Gy

0.8

0/1

n = 0.99 m = 0.37

0.6

5/22

18/75

0.4

13/82

0.2

3/79

3/54

0/16

0/50

Seppenwoolde et al. Int J Radiat Oncol Biol Phys 2003;55:724-35

0.0

0

10

20

30

Mean Lung Dose (Gy) Incidence of radiation pneumonitis grade ≥2