Physics Bucharest 2017
Limitations of margin recipes
According to ‘margin recipe’ bladder tumour at the dome [Van Herk equation 2.5 ∑ + 0.7 ] = 4cm margin
Oversimplification ?applicability to bladder if derived from solid organ comparison with direct empirical approaches up 9mm difference
Muren LP, Smaaland R, Dahl O: Organ motion, set-up variation and treatment margins in radical radiotherapy of urinary bladder cancer. Radiother Oncol 2003, 69(3):291-304 .
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