Particle Therapy 2017

If I deliver a uniform dose of photons RT • I care about: Prescribed dose • I care about: voxel by voxel dose • I never care (at least as a first approximation) Number of fields ; IMRT vs. 3D-CRT ; 5 MeV vs. 18 MeV Target shape; Target depth; Flattening filter If I deliver a Non uniform dose of photons RT