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Table 3 Number of patient plans satisfying a given dose-volume criteria for target and critical structures.

From: Monte Carlo dose verification of prostate patients treated with simultaneous integrated boost intensity modulated radiation therapy

Indices

Criteria

Number of Plans

Relative % difference

PTV prostate D 98

<3%

20

 

>3%, <5%

2

PTV prostate D 50

<3%

21

 

>3%, <5%

1

PTVN nodes D 95

<3%

18

 

>3%, <5%

4

PTVN nodes D 50

>3%

21

 

>3%, <5%

1

Bladder D 50

<3%

19

 

>3%, <5%

3

Bladder D 2

<3%

22

Rectum D 50

<3%

19

 

>3%, <5%

3

Rectum D 2

<3%

22

Small Bowel D 50

<10%

5

exceeding 25 Gy due to deviation

>10%

1

Small Bowel D 2

<3%

17

 

>5%, <10%

1

 

>10%

4