Skip to main content

Table 2 Intrafraction errors measured by matching CBCTpost with CBCT setup/pre and resulting margins

From: Organ motion in linac-based SBRT for glottic cancer

Intrafraction thyroid cartilage motion (mm)
Error type X Y Z
µ 0.1 0.6 0.6
0.7 1.6 0.7
σ 1.0 1.5 0.6
M 2.4 5.1 2.2
  1. All other abbreviations are as in Table 1
  2. CBCTpost, scan made at the end of treatment; M, CTV-PTV margins