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Table 2 The constraints to the OARs

From: Dosimetric comparison and biological evaluation of fixed-jaw intensity-modulated radiation therapy for T-shaped esophageal cancer

OARs

Objective

Total lung

V5 ≤ 65%

 

V20 ≤ 25%

 

V30 ≤ 20%

 

MLD ≤ 15 Gy

Spinal cord

Dmax ≤ 45 Gy

Heart

Dmean ≤ 26 Gy

 

V30 ≤ 40%

 

V40 ≤ 30%

  1. OAR, organ at risk; Vx, the relative volume of an OAR receives a dose of at least x Gy; MLD, mean lung dose; Dmax, maximum dose; Dmean, mean dose
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Radiation Oncology

ISSN: 1748-717X

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