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Table 2 Percentage of each PTV encompassed by the 80% prescription isodose in a plan optimized for the other PTV.

From: Reproducibility of target volumes generated using uncoached 4-dimensional CT scans for peripheral lung cancer

Pat.

Coverage of PTV4DCT2 with planning based on PTV4DCT1

Coverage of PTV4DCT1 with planning based on PTV4DCT2

1

97.8

98.2

2

96.3

97.1

3

98.6

95.2

4

97.8

96.9

5

93.0

99.6

6

96.9

92.9

7

98.9

98.3

8

90.7

93.4

9

98.8

98.9

10

98.9

97.2

11

97.4

100

12

99.9

100

13

97.6

82.5

14

99.2

99.3

15

98.8

95.4

16

99.4

99.6

17

93.9

99.5

18

99.3

91.2

19

99.5

99.8

20

100

98.1

21

99.3

98.1

22

98.8

93.9

23

98.1

97.6

24

94.8

100

25

98.8

98.3

26

100

99.8

Mean ± SD

97.8 ± 2.3%

97.0 ± 3.8%