Treatment site

# of Patients

IEC-X(mm)

IEC-Y(mm)

IEC-Z(mm)

mean SD

min

max

mean SD

min

max

mean SD

min

max

Prostate

30

4.4

1.2

11.2

2.2

1.0

6.0

2.6

1.6

4.7

H & N

26

2.0

0

4.5

2.2

0

6.7

1.9

0

3.9

Lung

18

3.1

1.0

7.0

4.2

1.3

7.4

4.2

1.8

9.9

Pelvis

17

2.9

1.0

7.2

2.3

1.3

5.0

2.7

1.3

4.0

Brain

9

1.6

1.0

4.5

3.2

1.2

8.7

1.2

0.7

1.9
Table 2: Mean standard deviations (mean SD), min, and max of random shifts for patients from different treatment sites.