Physics Bucharest 2017

Question

Which statement about planning of a stereotactic ablative radiotherapy (SABR) treatment is correct. For the planning of a SABR treatment…

A. the dose is prescribed to the isocenter

B. a steep dose gradient has to be achieved

C. the maximum allowed dose within the PTV is 107% of the prescription dose

D. a homogeneous dose distribution within the PTV has to be achieved

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