CASP3 and neoplasm: Upon injection of 28H1-700DX and subsequentlight exposure, we observed an increase in caspase-3 positive fractionof the annotated tumor region for 1 of the 2 mice, while no increasein caspase-3 positive fraction was observed in the non-irradiatedinternal controls and mice injected with DP47GS-700DX and subsequentlight exposure (Figure 5B).