Table 3 Median DVH parameters of the planned and cumulative dose distributions with CBCT and initial SGRT setup

CTVin

V95% [%]

98.5

(96.5–99.7)

98.1

(93.1–99.8)

96.3 *

(92.6–99.4)

98.7

(95.7–99.7)

98.2 *

(84.5–99.7)

96.6 *

(84.2–99.4)

HI

7.4

(5.0–9.9)

7.5

(5.0–12.5)

10.0 *

(6.4–14.8)

9.9

(7.4–12.5)

9.9

(7.4–12.5)

10.0 *

(7.4–14.9)

PTVin

V95% [%]

96.0

(94.3–98.9)

94.7 *

(86.9–97.6)

89.9 *

(80.0–95.1)

96.5

(92.2–98.2)

95.3 *

(79.1–97.7)

89.8 *

(79.3–95.9)

D1cc [Gy]

42.0

(41.6–42.7)

41.7 *

(40.9–42.7)

42.0

(40.8–42.8)

42.9

(42.2–43.5)

42.7 *

(41.7–43.5)

42.7 *

(41.8–44.1)

HI

9.9

(7.1–12.4)

10.0 *

(6.5–15.0)

24.7 *

(8.3–44.6)

10.0

(9.5–36.8)

11.0 *

(9.9- 22.3)

17.2 *

(10.0–57.6)

Heart

D1cc [Gy]

5.8

(2.5–22.3)

6.0

(2.2–22.7)

4.2 *

(2.4–19.4)

5.7

(1.7–15.9)

5.9

(1.4–18.7)

4.2 *

(1.9–15.9)

LAD

D1cc [Gy]

7.8

(2.5–20.4)

7.7

(2.1–20.7)

5.7 *

(2.8–17.3)

8.6

(1.6–26.3)

7.5

(1.3–21.2)

6.5 *

(1.8–13.7)

Ipsil. Lung

D1cc [Gy]

38.3

(34.7–40.7)

37.5 *

(35.1–40.1)

36.3 *

(31.3–39.4)

39.3

(37.4–40.4)

38.8 *

(37.5–40.2)

37.7 *

(36.1–40.1)

Contral. Lung

D1cc [Gy]

2.1

(1.1–8.8)

2.2

(1.2–9.2)

2.0 *

(1.1–8.9)

1.4

(0.7–3.3)

1.4

(0.7–3.3)

1.3 *

(0.7–2.7)

Contral. Breast

D1cc [Gy]

4.7

(1.6–18.0)

4.4

(1.4–17.4)

3.3 *

(1.3–14.2)

2.2

(1.2–37.7)

2.1 *

(1.1–33.9)

1.7 *

(0.9–23.8)

Ipsil. Hum

D1cc [Gy]

10.5

(1.1–35.1)

11.8

(1.3–35.7)

10.2

(1.1–35.3)

14.3

(1.0–38.7)

14.3

(1.4–40.9)

12.3

(1.0–39.1)