Table 2.

Summary of NTCP modeling studies of lung toxicity

Organ: Lung; End-point: Pneumonitis
Ref.	LKB model parameters			Notes
	n	D50(Gy)	m
Emami et al. [39] / Burman et al. [23]†	0.87	24.50	0.18
Kwa et al. [60]	1.00	30.50	0.30
Seppenwoolde et al. [38]	0.99	30.80	0.37
De Jeager et al. [24]*	1.00	34.10	0.45
De Jeager et al. [24]**	1.00	29.20	0.45
Ref.	Seriality model parameters			Notes
	γ	D50(Gy)	s
Emami et al. [39] / Ågren-Cronqvist [40]‡	2.10	24.50	0.0061
Seppenwoolde et al. [38]	0.900	34.00	0.060
Gagliardi et al. [61]	0.966	30.10	0.012	lungs were considered as separate organs

^†Clinical data from Emami et al. [39], model fitting by Burman et al. [23].

^* Tissue inhomogeneity correction: Equivalent-path.

^** Tissue inhomogeneity correction: Convolution-superposition.

^‡Clinical data from Emami et al. [39], model fitting by Ågren-Cronqvist [40].