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Table 3 The overall treatment uncertainty distribution with the calculated margin (in mm) in three principal directions. M = mean, Σ = standard deviation of systematic errors, σ = standard deviation of random errors

From: Voxel-level biological optimisation of prostate IMRT using patient-specific tumour location and clonogen density derived from mpMRI

Direction

M

Σ

σ

Margin

AP

−0.4

2.56

1.26

7.3

LR

0.2

2.47

0.67

6.6

SI

0.1

2.58

1.18

7.3