schematic describing the crossfire (CF) effect, radiation-induced bystander (RIBE) effect, and the abscopal (AbsE) effect (see text) this image was originally published in JNM. Haberkorn,U., Giesel, F., Morgenstern, A., Kratochwil, C The Future of Radioligand Therapy: alpha, beta or both? J Nucl Med. 2017;7:1017–1018. © SNMMI 9