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Table 7 Lifetime attributable risk (LAR) for five patients

From: Risk of secondary cancers from scattered radiation during intensity-modulated radiotherapies for hepatocellular carcinoma

Organ

Modality\ID

LAR*

  

1

2

3

4

5

Lung

IMRT

4.1

3.3

6.9

220.4

18.0

 

VMAT

4.3

3.4

7.7

244.3

22.5

 

TOMO

56.4

72.6

89.6

277.9

135.3

Stomach

IMRT

27.4

46.5

34.7

73.0

102.9

 

VMAT

27.5

46.9

34.7

73.0

165.1

 

TOMO

27.5

47.3

34.7

73.0

79.5

Normal liver

IMRT

18.5

24.2

22.1

17.2

34.4

 

VMAT

18.5

24.1

22.2

17.9

35.5

 

TOMO

19.5

28.7

23.4

18.8

17.8

Small intestine

IMRT

14.5

9.5

23.9

58.4

15.1

 

VMAT

13.6

10.6

24.4

58.1

21.6

 

TOMO

15.0

7.7

23.8

100.5

12.6

Prostate/Ovary

IMRT

0.2

0.2

0.2

7.4

2.5

 

VMAT

0.1

0.1

0.2

6.0

2.4

 

TOMO

0.2

0.1

0.2

5.5

2.0

Rectum

IMRT

3.8

2.8

5.9

14.6

4.4

 

VMAT

3.1

2.3

4.9

11.7

4.5

 

TOMO

3.7

2.3

4.5

11.5

3.6

  1. *LAR: per 10000 persons.