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Table 1 Mean values of GTV, CTV, and rectum, bladder, sigmoid colon, and small bowel volumes according to groups.

From: Comparison of conventional and CT-based planning for intracavitary brachytherapy for cervical cancer: target volume coverage and organs at risk doses

 

Group 1

(cc ± SD)

Group 2

(cc ± SD)

P

GTV

8.1 ± 5.4

20.6 ± 12.3

< 0.001

CTV

24.7 ± 10.7

48.4 ± 20.8

< 0.001

Rectum

76.1 ± 37.7

82.3 ± 36.9

0.19

Bladder

57.8 ± 19.5

63.0 ± 19.9

0.24

Sigmoid colon

38.2 ± 15.2

40.5 ± 16.3

0.72

Small bowel

508.9 ± 193.6

488.9 ± 226.1

0.68

  1. *Abbreviations: GTV = gross tumor volume, CTV = clinical target volume, Group 1 = CTV coverage > 95% isodose line prescribed to point A, Group 2 = CTV coverage < 95% isodose line prescribed to point A.
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Journal of Experimental & Clinical Cancer Research

ISSN: 1756-9966

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