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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.