Experimental verification of interplay effects of intrafractional tumor motion in a proton beam uniform scanning system with dose layer stacking

J. Fleckenstein, L. Jahnke, D. Pack, V. Anferov & M. Fitzek
Background: At the Midwest Proton Radiotherapy Institute (MPRI), dose is deposited via a uniform scanning system with dose layer stacking. The spread out Bragg peak (SOBP) is generated as plates of an absorbing material are inserted into the beam, attenuating the range in steps of either 3 mm[for full text, please go to the a.m. URL]