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Table 4 Normalized total dose to 2 Gray for various structures.

From: Dose reduction to normal tissues as compared to the gross tumor by using intensity modulated radiotherapy in thoracic malignancies

Case no.

GTV*

PTV†

Right lung

Left lung

Heart

Liver

 

Thorax

Whole organ

2/3 rd

1/3 rd

Whole organ

2/3 rd

1/3 rd

Whole organ

2/3 rd

1/3 rd

Whole organ

2/3 rd

1/3 rd

1

43

43

21

28

32

19

27

31

34

16

16

-

-

-

2

57

53

33

28

36

23

22

22

30

25

32

-

-

-

3

59

59

32

23

39

23

30

29

29

23

34

-

-

-

4

59

59

13

15

17

13

28

38

24

15

28

13

13

13

5

50

48

11

11

13

11

12

19

18

12

20

11

12

17

6

60

60

40

34

44

33

29

37

35

30

36

25

22

24

7

53

47

-

-

-

11

19

22

19

13

22

-

-

-

8

62

60

13

16

24

13

14

36

28

14

35

13

13

13

9

-

40

2

4

23

2

10

18

15

9

19

-

-

-

10

45

40

10

13

25

10

20

32

19

17

21

10

10

11

11

-

27

1

3

9

1

10

15

10

5

14

-

-

-

12

40

40

6

12

14

6

6

12

6

12

36

4

5

5

  1. GTV* Gross tumor volume; PTV† Planning target volume.