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Table 1 Maximum shift threshold values for different treatment sites for 1DOF and simultaneous 6DOF shifts, assuring 95% relative target coverage with a pass rate of 95%, optimized with respect to the normalized magnitude for the 6DOF solutions. Additionally, the normalized magnitude of the respective 6DOF solution is given. Translations (x,y,z) given in mm, rotations (P,Y,R) = (pitch, yaw, roll) given in °

From: Plan robustness analysis for threshold determination of SGRT-based intrafraction motion control in 3DCRT breast cancer radiation therapy

 

all

left

left, lymph nodes

left, no lymph nodes

right, no lymph nodes

 

1DOF

6DOF

1DOF

6DOF

1DOF

6DOF

1DOF

6DOF

1DOF

6DOF

x

5.0

-4.5

4.6

-2.8

5.0

-4.0

4.9

-2.8

5.0

-3.0

4.9

-3.2

5.0

-4.5

5.0

-3.2

5.0

-5.0

3.9

-5.0

y

5.0

-3.0

4.7

-1.8

5.0

-2.5

4.8

-1.8

5.0

-2.5

5.0

-0.8

5.0

-3.0

5.0

-2.2

5.0

-3.5

5.0

-1.6

z

5.0

-5.0

4.4

-3.9

5.0

-4.5

4.4

-3.9

5.0

-4.5

3.7

-4.1

5.0

-5.0

5.0

-5.0

5.0

-5.0

5.0

-5.0

P

4.0

-4.0

3.6

-3.5

4.0

-4.0

4.4

-3.6

4.0

-3.0

4.3

-2.7

5.0

-5.0

5.0

-4.1

4.0

-5.0

4.8

-5.0

Y

4.5

-3.5

4.7

-3.0

5.0

-3.5

4.7

-2.3

5.0

-3.5

4.9

-1.6

5.0

-4.0

5.0

-2.8

4.0

-5.0

2.6

-5.0

R

3.5

-3.0

2.2

-1.5

3.5

-3.0

3.9

-1.8

3.5

-3.0

4.1

-1.4

4.5

-2.5

4.8

-1.9

2.5

-4.5

2.4

-4.9

magnitude

9.76

  

10.83

  

10.34

  

11.00

  

11.30