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Table 3 The IGTV margin in different directions (mm)

From: Assessment and validation of the internal gross tumour volume of gastroesophageal junction cancer during simultaneous integrated boost radiotherapy

 

LR

AP

CC

Σ

σ

IGTV margin

Σ

σ

IGTV margin

Σ

σ

IGTV margin

Proximal

2.96

2.28

9

2.45

3.37

8.5

3.19

5.87

12.1

Distal

4.78

5.40

15.8

4.05

3.64

12.7

3.60

3.50

11.5

  1. Σ: systematic error, σ: the random error
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Radiation Oncology

ISSN: 1748-717X

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