816 / 1311
Lymphnodes classification
Japanese Society for Esophageal Diseases – Esophagus – 2004
•
Divided in 3 levels:
•
Cervical (Gregoire)
•
Thoracic (RTOG-)
•
Abdominal (RTOG-JGCA)
Grègoire et al. –Radiother Oncol – 2014
Korst et al. –J Thorac. Cardiovasc. Surg– 1998