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Table 2 Choices of treatment modality according to purpose of RT (n = 529)

From: Patterns of radiotherapy practice for biliary tract cancer in Japan: results of the Japanese radiation oncology study group (JROSG) survey

 

Purpose of RT

 

Treatment modality (%)

median EQD2(range) Gyα/β10

  

Actual patients

EBRT alone

ILBT alone

ILBT + EBRT

Surgery+

Curative intent (R0-1)

183

170 (92.9)

8 (4.4)

5 (2.7)

50 (6–90)

 

Non-curative intent (R2)

33

31 (93.9)

1 (3.0)

1 (3.0)

50 (4–74)

Surgery-

Curative

235

177 (75.3)

0 (0)

58 (24.7)

50 (9–68)

 

Palliative

78

55 (70.5)

11 (14.1)

12 (15.4)

50 (39–74)

 

median EQD2 (range) Gyα/β10

 

50 (4–90)

36 (14–44)

60 (33–82)

 
  1. Abbreviations: RT Radiotherapy; EBRT External beam radiotherapy; ILBT Intraluminal brachytherapy; EQD2 The biologically equivalent dose in 2-gray fractions.
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Radiation Oncology

ISSN: 1748-717X

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