Diapositive 1

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Lumpectomy cavity,

PTV

Isodose

103%,

100%,

90%,

70%,

50%,

30%

3D CRT

4-field non-coplanar fields, wedges used

IMRT,

forward planned

4-field non-coplanar fields

Helical tomotherapy

Proton beam therapy

Moon et al, R&O 2009