Table 1.

Parameter values used in models for the 2D cases.

Structure	s	${\alpha }_s^{\pm }$	${\overline{\ell \text{EUD}}}_s(\text{Gy})$
PTV	0	α− = 0.84	60 (Rx dose)
PTV	0	α+ = 0	80
NORMLIVER	1	α+ = 1.0	Objective function
NORMAL TISSUE	2	α+ = 0	80