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Table 1 Characteristics of the recurrent nasopharyngeal cancer patients

From: Dosimetric comparison between RapidArc and HyperArc techniques in salvage stereotactic body radiation therapy for recurrent nasopharyngeal carcinoma

Parameters

 

Patient number

10

Primary radiation therapy (Gy/fractions)

 Median

70/35

 Range

64/32–70/35

Recurrent T stage

 T1

1

 T2

4

 T3

1

 T4

4

CTV (cm3)

 Median

14.9

 Range

1.5–37.1

PTV (cm3)

 Median

17.2

 Range

2.4–51.8

Salvage SBRT dose (Gy)

 Median

36.8

 Range

32.5–40.0

Fractions

5

  1. Abbreviations: CTV Clinical target volume, PTV Planning target volume
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Radiation Oncology

ISSN: 1748-717X

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