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Table 4 The previous studies on grade 4 or 5 pneumonitis after radiation therapy in patients with interstitial pneumonitis

From: The clinical results of proton beam therapy in patients with idiopathic pulmonary fibrosis: a single center experience

 

Number of patients

Treatment

Median total dose

Pneumonitis

Yamaguchi et al. [7]

16

SBRT

48

3 (19 %)

Yamashita et al. [8]

13

SBRT

48

7 (53.8 %)

Lee et al. [9]

15

Conformal RT

56.9

5 (33.3 %)

Present study

16

PBT

80 Gy (RBE)

1 (6.3 %)

  1. Abbreviations: SBRT stereotactic body radiotherapy, RT radiotherapy, RBE relative biological dose effectiveness, PBT proton beam therapy