Preliminary result of definitive radiotherapy in patients with non-small cell lung cancer who have underlying idiopathic pulmonary fibrosis: comparison between X-ray and proton therapy

Table 4 Clinical courses of patients with fatal treatment-related death

No.	Age/Sex	PS	Smoking	FEV₁ / DLCO	Underlying disease	Stage	RT technique	Time to TRC (months)	Survival (months)
1	77/M	1	Ex-, 30PY	2.2 L, 84% / 58%	IPF and COPD	T2a N0	3DCRT 60 Gy/15 Fx’s	3	4
2	79/M	2	Ex-, 40PY	2.3 L, 85% / 77%	IPF	T1b N1	3DCRT 60 Gy/15 Fx’s	2	3
3	78/M	2	Ex-, 100PY	2.5 L, 131% / 60%	IPF and COPD	T2a N0	SBRT, 60 Gy/4 Fx’s	2	8
4	69/M	1	Ex-, 120PY	2.0 L, 78% / 31%	IPF	T2a N0	SBRT 60 Gy/4 Fx’s	4	5

PS performance status, PY pack-year, FEV₁ forced expiratory volume in 1 s, DLCO diffusing capacity of the lung for carbon monoxide, IPF idiopathic pulmonary fibrosis, COPD chronic obstructive pulmonary disease, RT radiation therapy, 3DCRT 3-dimensional conformal radiation therapy, SBRT stereotactic body radiation therapy, TRC treatment-related complications

ISSN: 1748-717X