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Table 2 The median one-sided HD95 values evaluated from dCT CTV to pCT CTV contour for CBCT and initial SGRT setups

From: Interfractional variation in whole-breast VMAT irradiation: a dosimetric study with complementary SGRT and CBCT patient setup

Setup method

Median HD95 (mm)

Range (min–max)

Less than 5 mm

CBCT

2.7

− 1.7–9.1

368/425 (85%)

SGRT

3.4

− 4.4–16.3

291/425 (67%)

  1. The range is indicated as minimum and maximum values. The third column indicates the number of fractions with HD95 values less than 5 mm