Particle Therapy 2017

Normal tissue effects Hypofractionation with its enormous increases in dose may be feasible, if the organ is a good approximation to a “ parallel organ ” so that the loss of such small volume of functioning tissue is tolerated, and if it contains no particularly sensitive structures or organs of risk.

Spinal cord, GI tract, etc ×

Serial organ

×

Parallel organ

Lung, Liver, Bone, etc