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Table 3 Correlation between the target volumes defined using preoperative prone MRI and postoperative prone CT

From: A comparative study based on deformable image registration of the target volumes for external-beam partial breast irradiation defined using preoperative prone magnetic resonance imaging and postoperative prone computed tomography imaging

Target volume

r-value

P-value

GTVpostCT- GTVpreMR

0.518

0.028

GTVpostCT- CTVpreMR + 10

0.483

0.042

GTVpostCT -CTVpreMR + 20

0.399

0.101

CTVpostCT + 10-CTVpreMR + 10

0.474

0.047

CTVpostCT + 10-CTV preMR + 20

0.498

0.053

PTVpostCT + 15- PTVpreMR + 15

0.401

0.099

PTV postCT + 15-PTV preMR + 25

0.377

0.123

  1. Abbreviations: GTV gross tumor volume, CTV clinical target volume, PTV planning target volume, TB tumor bed
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Radiation Oncology

ISSN: 1748-717X

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