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. 2019 Dec 16;25(1):41–45. doi: 10.1016/j.rpor.2019.12.012

Table 3.

Isocenter movements of target volumes (mm).

Structure X axe
Y axe
Z axe
Median [extremes] Mean ± SD Median [extremes] Mean ± SD Median [extremes] Mean ± SD
GTV T +0.2
[−1 ; 3]
+0.3 ± 1 +1.1 [-0.6 ; 4.5] +1.3 ± 1.1 +0.8
[-5.4 ; 3,2]
+0.5 ± 2,1
GTV N +1.8
[-12 ; 18]
+1.5 ± 8.5 −0.9
[-5.6 ; 1.2]
−0.2 ± 4.3 +2
[-13 ; 19]
+2.4 ± 6.4
PTV H +0.7
[-10 ; 9.9]
+0.4 ± 5.7 −0.7
[−3.5 ; 8.1]
+0.6 ± 3 +3.8
[-3.9 ; 9.5]
+5.7 ± 8.6
PTV I −0.2
[−16 ; 9.6]
−0.3 ± 5.5 −2.2
[−6.1 ; 8.8]
−1.9 ± 2.9 +6.8
[-21 ; 21]
+6.2 ± 8.1
PTV L −0,3
[−7.1 ; 1.7]
−0.5 ± 1.9 −0.1
[−3.6 ; 5.1]
+0.1 ± 2.2 +2.3
[-16 ; 13]
+2.18 ± 7

GTV : Gross tumor volume, PTV : Planning Target Volume, T : Tumor, N : Node, H : high, I : Intermediate, L : Low, SD : Standard Derivation.