Table 1.

Assumed HCC radiobiologic model parameters respective of Abbott et al¹³

Parameter (units)	SBRT		90Y SIRT		Description
	HCC tumor	Normal liver	HCC tumor	Normal liver
$D$ (Gy)	Variable	Variable	Variable	Variable	Physical absorbed dose
$RB{E}_{max}$	1	1	0.6	0.6	Maximum relative biological effectiveness to reference radiation
$G$	1	1	0	0	Lea-Catcheside protraction factor
$\alpha /\beta$ (Gy)	17	3	17	3	Radiosensitivity
$n$	Variable	Variable	1	1	Number of fractions

Abbreviations: HCC = hepatocellular carcinoma; SBRT = stereotactic body radiation therapy; SIRT = selective internal radiation therapy.