Physics Bucharest 2017

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Breast margins – SIB-technique in Erasmus MC

- 28-31 fractions - in each fraction: whole breast tangential field + boost

- IGRT: 3 or more implanted markers to demarcate tumor bed - IGRT: 2 orthogonal kV beams (also 1 MV beam for whole breast acquired) - eNAL (with refinements) corrections applied both tumor bed and whole breast

time trend

error

fraction

IJROBP 82, p1031–1037, 2012

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