Figure 1. Example targets for a representative patient. (Left) SIMBa targets shown as PTV_TotalBody (8 Gy) and PTV_Marrow (12 Gy), (middle) conventional VMAT TBI target shown as PTV_BodyEval (12 Gy), and (right) PTV_Marrow is shown.

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