Radiation therapy has been shown to be adaptable for various stages of hepatocellular carcinoma

Table 1 Transcatheter arterial chemoembolization and radiation therapy vs transcatheter arterial chemoembolization

Ref.	Year	Country	Patient numberTACE + RT vs TACE	Child-Pugh (CP-A:CP-B)	Tumor thrombus	Tumor size	Response rate	Over all survival
Koo et al[22]	2010	South Korea	42 vs 29	26:16 vs 17:12	All patients had inferior vena cava tumor thrombus	10 ± 4.0 vs 12 ±3.8 cm	42.9% vs 13.8%	1 yr OS 47.7% vs 17.2%
Zhang et al[24]	2009	China	16 vs 29	13:3 19:10	Stenosis: occlusion	< 10 cm : ≥ 10 cm	N/A	1 yr OS 32.5% vs 6.9%
					14:2 vs 21:9	13:3 vs 21:8
Shim et al[25]	2005	South Korea	38 vs 35	33:5 vs 32:3	yes: no	10.2 vs 9.5cm	65.8% vs N/A	2 yr OS 36.8% vs 14.3%
					12:26 vs 10:25
Zeng et al[20]	2004	China	54 vs 149		Non		76% vs 31%	1 yr OS 71.5% vs 59.6%

TACE: Transcatheter arterial chemoembolization; RT: Radiation therapy; OS: Overall survival.