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Table 1 Dosimetry of the reference plans for the cases studied

From: Impact of positioning errors in the dosimetry of VMAT left-sided post mastectomy irradiation

Patient #

1

2

3

4

5

6

7

8

9

10

11

Mean

CTVtha

 Volb

221.2

475.6

203.4

158.6

219.4

229.1

308.7

188.4

194.5

155.9

204.9

230.4

 D95c

50.0

49.7

50.2

50.3

50.4

50.1

50.9

50.1

50.0

50.0

49.9

50.1

 D98c

49.2

49.3

49.0

49.9

49.8

49.3

49.1

49.3

49.4

49.1

49.2

49.3

 D1ccd

54.2

53.9

54.8

53.6

53.8

53.6

53.9

53.5

54.0

54.1

54.7

54.1

 Dm e

51.7

51.5

51.3

51.9

51.6

52.1

52.1

51.9

52.2

51.9

51.7

51.8

CTVsva

 Volb

303.2

258.0

160.3

153.5

153.1

132.5

301.4

195.5

178.8

168.7

178.3

196.8

 D95c

50.6

49.3

50.0

50.3

50.0

51.1

50.4

50.0

50.7

50.0

50.1

50.2

 D98 c

50.0

49.0

49.0

49.9

48.9

49.9

49.9

49.9

50.3

49.1

49.6

49.6

 D1ccd

54.6

53.1

54.4

53.9

53.1

54.9

54.1

53.4

53.9

52.9

53.0

53.7

 Dmf

51.7

51.4

51.8

51.7

51.6

51.9

52.0

51.6

52.3

51.2

51.2

51.6

Heart

 V25f

4.5

4.0

2.0

2.0

1.0

0.5

5.0

1.0

1.0

2.0

1.5

2.2

 V40 f

2.0

0.0

0

1.1

0

0

2

0.0

0

0

0

0.4

 Dm e

7.5

6.5

9.2

7.3

6.1

6.2

9.2

7.1

6.9

5.3

5.9

6.9

Left Lung

 V20 f

20.0

21.0

17.0

15

14.0

15.0

17.0

14.3

18.1

17

16.8

16.9

 V40 f

8.0

7.5

5.5

3.0

2.0

2.0

8.0

3.4

8.2

4.2

3.7

4.9

 Dme

11.9

12.7

11.2

9.9

9.1

9.7

11.0

9.5

10.8

10.9

9.6

10.5

  1. CTVtha, CTVsva: thoracic wall and supraclavicular clinical target volume, respectively; Volb: volume expressed in cm3; Dyc: dose expressed in Gy covering y% of the volume; D1ccd: dose expressed in Gy covering 1 cm3 of the volume; Dme: mean dose expressed in Gy; Vxf: volume expressed in % receiving a dose of x Gy