Table 1.

Treatment planning parameters. Abbreviations: MUs=monitor units; LINAC=linear accelerator; mMLC=micromultileaf collimator.

Treatment modality	Prescribed isodose line (%)	Total MUs	Target Coverage (%)
LINAC-mMLC	70	936	99
LINAC-cone	70	1953	95
CyberKnife preshileding	70	2030	95
CyberKnife postshielding	70	2530	97.75
TomoTherapy	95	8252	95
Gamma Knife	50	15 367a	100

^aSee Sec. 5.