Skip to main content

Table 5 Set-up margins calculated from the results of OBI-FM

From: The potential failure risk of the cone-beam computed tomography-based planning target volume margin definition for prostate image-guided radiotherapy based on a prospective single-institutional hybrid analysis

(/ mm)

AP

SI

LR

Σ

0.85

1.00

0.43

σ

1.47

1.66

0.75

PTV margin

3.2

3.7

1.6

  1. PTV planning target volume, kV kilo voltage, OBI on-board imaging, AP anterior to posterior, SI superior to inferior, LR left to right