Fig. 3From: Feasibility of a simultaneously integrated boost concept for hypofractionated stereotactic radiotherapy of unresected brain metastasesD2% in ring area around GTV (a), Paddick high dose conformity index according to Eq. 2 (b), SADG* according to Eq. 3 (c), and V24Gy(brain) (d) versus effective PTV diameter for the 80% and the SIB concept. In c the plans in DCA technique are outlined by squaresBack to article page