Fig. 1From: Heterogeneity correction for intensity-modulated frameless SRS in pituitary and cavernous sinus tumors: a retrospective study a Maximum brainstem dose for all cases (n = 15). b Maximum chiasm and optic nerve doses for single fraction SRS cases (n = 10). c Maximum optic nerve dose in cases with PTV overlap (n = 7). * indicates p < 0.05 for all figures between PB and the designated algorithmBack to article page