Target Volume Determination 2015

Delineation of CTVn_L4 – supraclavicular lymph node area

Internal jugular vein

Common carotid artery

 Superior border: subclavian artery (+ 5 mm)  Ventral border: sternocleido muscle  Medial border: glandula thyroidea; between carotid artery and jugular vein (no margin)  Lateral border- dorso-lateral border : anterior scalene muscle  Dorso-medial border : carotid artery excluded

Sternocleidom. muscle

Anterior scalene muscle

Esther Troost MAASTRO clinic