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Multi-institutional study on target volume delineation variation
in breast radiotherapy in the presence of guidelines
van Mourik et al. Radiother Oncol 94:286-91. 2010
CT slices of 3 patients with delineated excision cavity contours of all 13 observers
13 radiation oncologists (observers), 8 patients
- even in the presence of delineation guidelines
considerable delineation variation
is
present (0.24 < SD < 1.22 cm)
- presence of clips or seroma
reduced interobserver variation
(0.24 < SD < 0.62 cm)