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Table 1 Ionization chamber measurements in homogeneous phantom (Cheese phantom) for the different treatment plans.

From: Dosimetric accuracy of tomotherapy dose calculation in thorax lesions

  Target (22 points) OAR (27 points)
Mediastinum -0.5 ± 1.6% 0.5 ± 2.7%
Single metestasis 1.9 ± 1.5% 1.3 ± 3.1%
Multipla metastasis 0.8 ± 1.0% 1.1 ± 2.5%
Average 0.7 ± 1.2% 1.0 ± 0.4%
  1. Percentage deviation between measured and calculated dose, for target and OAR point measurements.