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Table 1 Intra-fraction and composite breast target geometric errors* calculated at patient, fraction, and node levels

From: Comprehensive target geometric errors and margin assessment in stereotactic partial breast irradiation

 

Data level

Rotation(0)

Translation (mm)

Rigid (mm)

Non-rigid (mm)

Total (mm)

Roll

Yaw

Pitch

LR

AP

SI

Intra-fraction

Patient

0.5 ± 0.3 (1.6)

0.0 ± 0.0 (0.2)

0.2 ± 0.2 (1.2)

0.8 ± 0.3 (1.9)

1.1 ± 0.4 (2.0)

1.0 ± 0.4 (2.3)

2.0 ± 0.6 (3.9)

0.3 ± 0.2 (0.8)

2.3 ± 0.7 (4.5)

Fraction

0.5 ± 0.7 (4.2)

0.0 ± 0.1 (0.6)

0.2 ± 0.3 (3.1)

0.8 ± 0.6 (2.9)

1.1 ± 0.6 (3.6)

1.0 ± 0.6 (3.5)

2.1 ± 0.9 (6.0)

0.3 ± 0.3 (2.3)

2.3 ± 1.0 (6.6)

Node

0.5 ± 0.7 (6.7)

0.1 ± 0.1 (1.1)

0.2 ± 0.4 (5.0)

0.8 ± 0.8 (6.9)

1.1 ± 1.0 (8.6)

1.0 ± 1.0 (7.0)

2.2 ± 1.4 (10.8)

0.3 ± 0.3 (3.8)

2.5 ± 1.5 (11.2)

Composite

Patient

0.5 ± 0.3 (1.4)

0.1 ± 0.1 (0.3)

0.3 ± 0.2 (1.0)

1.0 ± 0.3 (1.9)

1.3 ± 0.4 (2.2)

1.1 ± 0.4 (2.5)

2.3 ± 0.5 (3.6)

1.3 ± 0.8 (3.1)

3.6 ± 1.0 (5.8)

Fraction

0.5 ± 0.6 (3.8)

0.1 ± 0.1 (0.4)

0.3 ± 0.3 (2.8)

1.0 ± 0.6 (3.1)

1.3 ± 0.6 (3.2)

1.1 ± 0.7 (6.2)

2.4 ± 0.9 (6.8)

1.3 ± 1.0 (5.6)

3.7 ± 1.3 (7.7)

Node

0.5 ± 0.7 (6.9)

0.1 ± 0.1 (0.8)

0.3 ± 0.4 (4.5)

1.0 ± 0.8 (6.5)

1.3 ± 1.0 (6.4)

1.1 ± 1.0 (8.6)

2.6 ± 1.3 (11.5)

1.3 ± 1.0 (6.6)

3.9 ± 1.6 (13.1)

  1. *Numbers in the parentheses indicate the maximum values; rigid, non-rigid, and total errors are reported as amplitudes