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Table 6 Previous studies of late radiation pneumonitis in patients with interstitial pneumonitis

From: Outcomes of proton therapy for non-small cell lung cancer in patients with interstitial pneumonia

References

Treatment

Number of patients

Median total dose (Gy)

Dose per fraction (Gy)

Pneumonitis

Grade 3

Grade 4/5

Lee et al. [8]

3D-CRT

15

56.9

1.8–2.0

6 (40%)

5 (33%)

Yamashita et al. [9]

SBRT

13

48

12

N/A

7 (54%)

Tsurugai et al. [36]

SBRT

42

40–60

8–22

4 (9.5%)

1 (2.4%)

Ono et al. [37]

PT

16

80 (RBE)

3.2 (RBE)

1 (6.3%)

1 (6.3%)

Present study

PT

29

66–74 (RBE)

6.6–2.0 (RBE)

2 (6.9%)

0 (0%)

  1. 3D-CRT 3D conformal radiotherapy, SBRT stereotactic body radiotherapy, PT proton therapy, RBE relative biological effectiveness, N/A not applicable