Table 4. Toxicities.

	Total (n = 35) (%)	RAT (n = 12) (%)	MC (n = 23) (%)	p value
Lung toxicities (≥ Grade 2)
Pneumonitis	10 (28.6)	6 (50.0)	4 (17.4)	0.059
Radiation pneumonitis	8 (22.9)	5 (41.7)	3 (13.0)	0.091
Other pneumonia	2 (5.7)	1 (8.3)	1 (4.3)	1.000
Hemoptysis	2 (5.7)	1 (8.3)	1 (4.3)	1.000
Other toxicities (Grade 1–2)*
Fatigue or anorexia	19 (54.3)	8 (66.7)	11 (47.8)	0.476
Chest wall pain†	13 (37.1)*	6 (50.0)	7 (30.4)†	0.292
Dermatitis	4 (11.4)	1 (8.3)	3 (13.0)	1.000

Abbreviations: RAT, Ray-Tracing group; MC, Monte-Carlo group

^*No grade 3 or higher toxicities were observed.

^†Including one rib fracture