Table 1 Patients and tumor characteristics

Number of patients

49 ⁺

Tumor volume [cm³]

8.9 (0.6–119.0)^*

3D tumor motion [cm]

0.7 (0.1–2.6)^*

Tumor location

upper LL, left

12 ⁺

lower LL, left

9 ⁺

upper LL, right

6 ⁺

middle LL, right

14 ⁺

lower LL, right

8 ⁺

3D tumor motion [cm]

<0.5

16 ⁺

0.5–1.0

20 ⁺

1.0–1.5

6 ⁺

>1.5

7 ⁺

Tumor volume [cm³]

<10

28 ⁺

10–20

10 ⁺

>20

11 ⁺

SI distance [cm]

<0.0

9 ⁺

0.0–5.0

34 ⁺

>5.0

6 ⁺

Tumor environment

adherent

14 ⁺

adjacent

7 ⁺

free

28 ⁺