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Table 3 Average and standard deviation of cavity displacements for e- boost in the x and y-collimator direction, and radial displacements, within the EBEV

From: Image guidance using 3D-ultrasound (3D-US) for daily positioning of lumpectomy cavity for boost irradiation

Displacement x (cm) y (cm) Total EBEV (cm)
Simulation US reference -0.2 ± 1.0 0.4 ± 0.6 1.0 ± 0.5
1st Treatment Fraction US Reference -0.1 ± 0.7 0.2 ± 0.5 0.8 ± 0.4
  1. Results are shown using both the simulation and first treatment fraction scans as the RV.