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Table 1 Planning constraints/objectives for the PTV and OARs. The maximum dose is the point maximum dose defined to 0.035 cc

From: Benchmarking techniques for stereotactic body radiotherapy for early-stage glottic laryngeal cancer: LINAC-based non-coplanar VMAT vs. Cyberknife planning

Structure/Organ Evaluation Goal Unit
 PTV VRx >= 95% V%
Dmax <= 48.9 Gy
Dmax <= 51.0 (required) Gy
Conformity index <= 1.3 (required) N.A.
 Left/Right Carotid Artery Dmax <= 23.0 Gy
Dmean <= 11.2 Gy
 Spinal Cord Dmax <= 20.0 (required) Gy
 Skin Dmax <= 42.5 Gy
 Contralateral Arytenoid Dmax <= 23.0 Gy
 Thyroid Gland Dmean <= 15.3 Gy
  1. All the doses shown here are recommended objectives (not required), except where specifically noted