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Table 3 Residual errors (mm) of different landmarks after the daily online match

From: Determination of the optimal matching position for setup images and minimal setup margins in adjuvant radiotherapy of breast and lymph nodes treated in voluntary deep inhalation breath-hold

 

Systematic error Σ

Random error σ

Object

AP

SI

LAT

AP

SI

LAT

MID_V1

3.2

4.1

1.4

2.4

3.4

1.4

UPPER_ST1

1.1

1.6

-

1.5

2.3

-

MID_R1

-

2.8

0.7

-

3.0

1.2

Setup corrections1

3.4

4.1

2.4

3.3

4.4

2.7

  1. 1includes interobserver variation in image matching.
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Radiation Oncology

ISSN: 1748-717X

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