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Table 2 Treatment characteristics and dose volume analysis

From: Carbon-ion radiotherapy for non-small cell lung cancer with interstitial lung disease: a retrospective analysis

Protocol

No. of pts.

 46.0Gy (RBE) /1fr/1 day

1

 48.0Gy (RBE)/1fr/1 day

4

 50.0Gy (RBE)/1fr/1 day

8

 52.8Gy (RBE)/4fr/4 days

7

 60.0Gy (RBE)/4fr/4 days

7

 72.0Gy (RBE)/16fr/4wks

2

PTV volume (ml), median (range)

85.3 (34.6–1319.8)

Dosimetric factors of the lung (%), median (range)

 V5 lung

10.5 (3.0–34.8)

 V10 lung

8.6 (2.6–32.8)

 V15 lung

7.1 (2.2–27.1)

 V20 lung

6.2 (2.0–18.0)

 V25 lung

4.6 (1.8–16.8)

 V30lung

4.0 (1.5–15.9)

 Mean Lung Dose

3.5 (1.0–12.2)

  1. Abbreviations: RBE relative biological effectiveness, PTV planning target volume