Figure 1From: Neural stem cell sparing by linac based intensity modulated stereotactic radiotherapy in intracranial tumorsRight temporal planning target volume (PTV, red) and organs at risk delineated in the MRI rendering volume data set. Lenses in pale blue and purple, nn. optici and chiasm in yellow, brain stem and medulla oblongata in green, the hippocampi and the subventricular zones (SVZ) in different shades of magenta.Back to article page