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DSC values for GTV-MRI expansion with 0–4 mm. By expanding GTV-MRI with 0–4 mm the median DSC was 0.46 (IQR: 0.22–0.63), 0.51 (IQR: 0.36–0.66), 0.52 (IQR: 0.36–0.68), 0.46 (IQR: 0.36–0.66) and 0.44 (IQR: 0.39–0.65), respectively. Box plots are presented. Expansion with 1 and 2 mm, respectively, led to statistically significant higher DSC (p<0.001 for both) compared non-expanded GTV-MRI.
