From: Assessment of dose perturbations for metal stent in photon and proton radiotherapy plans for hepatocellular carcinoma
0°
45°
90°
GB stent
GI stent
Dmax (%)
0.8
1.1
1.4
1.6
4.4
2.7
Dmin (%)
− 5.9
− 6.3
− 10.7
− 11.1
− 31.8
− 30.2
Dmean (%)
− 0.5
− 0.3
− 0.6
− 4.1
− 2.1
D1% (%)
0.7
1.0
3.7
2.1