Table 2. Conventional VMAT TBI and SIMBa planning aims.

VMAT: volumetric modulated arc therapy; SIMBa: simultaneous integrated marrow and body approach; TBI: total body irradiation

Name of Structure	Conventional VMAT TBI	SIMBa
PTV_Marrow	-	D90% >= 12 Gy
PTV_TotalBody	-	D90% >= 8 Gy
PTV_BodyEval	Max[Gy] < 16  ; D90% >= 12 Gy	Max [ Gy] < 16
_LungEval	Mean [Gy} < 8 Gy	Mean [ Gy] < 8
Spinal Cord	Max [Gy] < 15 @ 0.125cc	Max [Gy] < 15 @ 0.125cc
Oral Cavity	Max [Gy] < 15 @ 0.125cc	Max [Gy] < 15 @ 0.125cc
Bowel	Max [Gy] < 15 @ 0.125cc	Max [Gy] < 15 @ 0.125cc
Kidney (individual)	Mean [Gy] < 13	Mean [Gy] < 13
Whole Brain	Max [Gy] < 15 @ 0.125cc	Max [Gy] < 15 @ 0.125cc