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Table 1 Targets, organs at risk and objectives used for plan optimization

From: Planning comparison of five automated treatment planning solutions for locally advanced head and neck cancer

Institution A Institution B
Prescription
 70 Gy, 60 Gy and 54 Gy 70 Gy and 54 Gy
  35 fractions with a simultaneous integrated boost
Beam arrangement
 2 volumetric modulated arcs, 6MV photons
PTVs
 PTV 70Gy Dmean = 70Gy PTV 70Gy D95% = 98%
 PTV 70Gy V95% > 95% PTV 70Gy V107% < 5%
 PTV 70Gy D2% > 75Gy PTV 54Gy D95% > 98%
 PTV 60Gy V95% > 95% PTV 54Gy V107% < 5%
 PTV 54Gy V95% > 95%  
Serial organs
 Brainstem Dmax < 54 Gy Brainstem + 3 mm Dmax < 50 Gy
 Brachial Plexus D0.5cm3 < 60 Gy  
 Mandible V70 Gy <  1 cm3 Mandible Dmax < 70 Gy
 Spinal cord < 45 Gy Spinal cord + 3 mm Dmax < 54 Gy
Parallel organs
  UAT Cricopharyngeal
 Glottis  
  Larynx Lower
  Larynx Upper
 Pharynx constrictor  
  Superior PCM
  Medial PCM
  Inferior PCM
 Upper esophagus Upper esophagus
  Upper Esophageal Sphincter
 Thyroid Thyroid
 Trachea Trachea
 Oral cavity Oral cavity
 Parotids Parotids
 Submandibular glands Submandibular glands
  1. Abbreviation: PCM pharyngeal constrictor muscles, UAT upper aerodigestve tract