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SEER Training Modules

Regional Lymph Nodes

Esophagus

Cervical

Superior mediastinal, anterior deep cervical (internal jugular), upper cervical, periesophageal, supraclavicular, lowest paratracheal (azygos), cervical NOS

Thoracic (upper and middle)

Internal jugular, tracheobronchial, peritracheal, perigastric, carinal, hilar, posterior mediastinal, periesophageal

Thoracic (lower)

Left gastric, cardial, perigastric, NOS, posterior mediastinal, nodes of lesser curvature

Stomach

Inferior (right) gastric

Greater curvature, greater omental, gastroduodenal, gastrocolic, gastroepiploic (right or NOS), gastrohepatic, pyloric (including subpyloric and infrapyloric), pancreaticoduodenal

Splenic

Gastroepiploic (left), pancreaticolienal, peripancreatic, splenic hilar

Superior (left) gastric

Lesser curvature, lesser omental, gastropancreatic (left), gastric (left), paracardial, cardial, cardioesophageal

Perigastric, NOS

Celiac

Hepatic

Small Intestine

Duodenum

Hepatic (pancreaticoduodenal, infrapyloric, gastroduodenal

Jejunum

Superior mesenteric

Ileum

Posterior cecal and ileocolic (for terminal ileum)
Superior mesenteric