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Table 1 Dosimetric parameters for the OARs included in the SCR estimation for the patients included in the analysis

From: Proton pencil beam scanning reduces secondary cancer risk in breast cancer patients with internal mammary chain involvement compared to photon radiotherapy

 

FB

DIBH

Group 1

Group 2

Group 2

PT

Tangential 3D-CRT

PT

VMAT

PT

VMAT

Average dose (Gy)

 Ipsilateral lung

5.9 ± 2.1

11.5 ± 1.1

8.4 ± 0.3

16.4 ± 1.6

7.4 ± 0.8

14.6 ± 0.9

 Contralateral lung

0.08 ± 0.10

0.6 ± 0.1

0.3 ± 0.1

7.3 ± 0.4

0.15 ± 0.02

6.2 ± 0.3

 Contralateral breast

0.08 ± 0.03

0.9 ± 0.1

0.09 ± 0.02

4.7 ± 0.3

0.07 ± 0.01

4.8 ± 0.3

  1. The data are presented as mean ± standard error of the mean (SEM, n = 5)