Fig. 1From: Hippocampal sparing radiotherapy for glioblastoma patients: a planning study using volumetric modulated arc therapyCoronal view of the arc setup. a Two full coplanar arcs (horizontal line) and one arc from gantry angle 0 to 180° at couch angle 55° were sufficient in most cases (16 patients). b For the remaining 11 patients, an additional non-coplanar arc was introducedBack to article page