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Table 1 Patient characteristics. The positive value of the tumor position indicates that the tumor locates left, posterior or superior direction relative to the center of the skull

From: HyperArc VMAT planning for single and multiple brain metastases stereotactic radiosurgery: a new treatment planning approach

Patient# Tumor position (cm) Target volume(cc) Tumor diameter(cm) Prescription dose(Gy)
L-R A-P S-I
Single isocentric VMAT
1 −2.9 5.4 2.6 3.1 1.1 20
2 −2.8 2.1 4.1 2.0 0.9 24
3 −0.5 7.5 −7.4 4.5 1.3 24
4 3.7 0.7 4.7 1.8 0.8 24
5 −2.3 2.5 −0.3 1.9 0.7 24
  −1.4 1.1 0.9 1.6 0.6  
6 −1.1 2.0 −2.8 2.2 0.9 24
  −4.2 0.6 −3.0 2.7 1.0  
7 −3.6 −4.9 3.3 6.0 2.0 24
  −4.4 −1.5 4.4 1.3 1.1  
8 0.9 2.7 4.0 11.7 2.2 24
9 −5.7 1.1 1.1 1.5 0.7 24
10 −3.1 −1.2 4.4 6.3 1.6 24
11 0.5 1.4 −3.7 5.4 1.4 24
12 1.7 3.2 −5.5 2.9 1.2 24
13 −1.9 4.8 −4.6 3.9 1.3 24
14 −5.5 0.2 2.2 2.2 0.9 24
15 1.2 2.5 0.7 8.5 1.7 20
Multi isocentric VMAT
16 −5.6 −1.5 1.3 0.6 0.4 20
  −2.9 3.3 4.7 0.5 0.4  
  −0.9 6.4 −3.9 0.7 0.4  
17 5.2 −1.0 2.3 15.6 2.4 24
  −0.1 0.4 2.7 1.6 0.7  
  1.8 1.2 −4.1 3.1 1.1  
18 −4.8 0.6 −1.0 1.0 0.6 20
  −2.3 5.1 −0.7 0.6 0.4  
  3.3 −3.0 2.9 1.5 0.8  
19 −3.9 1.3 −5.7 2.1 0.9 24
  3.4 1.5 4.6 1.1 0.6  
20 −3.8 −1.6 3.2 0.4 0.3 24
  −2.8 −1.2 4.3 1.0 0.6  
  1.0 5.8 2.3 2.7 1.1  
  −3.4 3.6 −5.4 1.0 0.6  
21 5.1 1.2 3.3 3.9 1.3 24
  −3.3 −2.2 4.4 1.1 0.6  
22 5.1 2.5 −2.3 3.9 1.2 20
  6.7 1.0 −1.7 1.2 0.7  
  −0.6 −5.6 3.6 1.2 0.7  
23 −2.4 3.1 1.3 0.9 0.5 20
  1.8 2.3 5.0 1.4 0.7  
  −0.2 −3.6 −1.0 3.0 1.0