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Table 2 GTV obtained from CT and PET-CT images in 30 patients

From: Utilization of PET-CT in target volume delineation for three-dimensional conformal radiotherapy in patients with non-small cell lung cancer and atelectasis

GTV (cm3)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

CT

301.0

76.2

134.6

131.6

102.1

146.3

98.2

178.3

153.5

165.2

167.8

214.6

156.7

108.5

101.2

245.7

108.9

257.4

192.4

101.6

106.8

163.7

144.7

114.8

105.6

131.3

106.5

153.5

121.9

128.4

PET-CT

105.8

37.8

95.4

122.7

72.7

107.2

71.6

125.6

128.7

100.7

135.7

100.4

146.2

101.4

93.5

168.1

99.4

109.1

188.7

96.5

100.4

142.9

149.9

125.4

136.4

148.2

131.4

178.7

134.1

153.8

  1. GTV Gross Tumor Volume, CT Computed Tomography, PET-CT Positron Emission Tomography-Computed Tomography.