TVD 2017

Lymphnodes classification

• Divided in 3 levels: • Cervical (‘Grégoire’) • Thoracic (IASLC) • Abdominal (JGCA)

Grégoire et al. –Radiother Oncol – 2013 Rush VW et al– J Thor Oncs– 2009

Japanese Society for Esophageal Diseases – Esophagus – 2011