Table 4.

Toxicities (≥ Grade 2)

	Number of events
Adverse Event	Bin 1					Bin 2
	40 Gy (N = 5)	45 Gy (N = 1)	50 Gy (N = 3)	55 Gy (N = 1)	60 Gy (N = 5)	40 Gy (N = 5)	45 Gy (N = 3)	50 Gy (N = 5)
within 56 days from the start of SBRT
Radiation Pneumonitis	0	0	0	0	0	1(G2)	0	0
from 57 to 180 days from the start of SBRT
Radiation Pneumonitis	0	0	0	0	1(G2)	0	0	2(G2)
Dyspnea	0	0	0	0	1(G4)	0	0	0
Hypoxia	0	0	0	0	1(G4)	0	0	0
after 181 days from the start of SBRT
Radiation Pneumonitis	0	0	0	0	1(G2)	1(G2)	0	2(G2)
Cough	1(G2)	0	1(G2)	0	0	0	0	1(G2)
Dyspnea	2(G2)	0	1(G2)	0	1(G2)	0	1(G2)	2(G2)
Hypoxia	1(G2)	0	0	0	1(G2)	0	1(G2)	0
Bone Fracture	0	0	1(G2)	0	3(G2)	0	1(G2)	2(G2)
Brachial Plexopathy	0	0	1(G2)	0	0	0	0	0
Chest Pain	0	0	0	0	2(G2)	1(G2)	0	2(G2)
Radiation Dermatitis	0	0	0	0	0	1(G2)	0	0
Induration	0	0	0	0	0	1(G2)	0	0
Fibrosis	0	0	0	0	0	1(G2)	0	0
Neuropathy: Sensory	0	0	0	0	0	0	1(G2)	0

Toxicities were assessed based on CTCAE ver 3.0. G2, Grade 2; G4, Grade 4.