CS Lymph Nodes

Notes

**Note**: Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in CS Mets at DX.
Code Description AJCC 7 N TNM 6 N Summary Stage 1977 N Summary Stage 2000 N
000 No regional lymph node involvement N0 N0 NONE NONE
100 Regional lymph node(s):
Celiac
Hepatic
Infrapyloric (subpyloric)
Lateral aortic (lumbar)
Pancreaticosplenic (pancreaticolienal)
Peripancreatic, NOS:
Anterior, NOS:
Anterior pancreaticoduodenal
Anterior proximal mesenteric
Pyloric
Inferior to the head and body of pancreas
Posterior, NOS:
Pericholedochal (common bile duct)
Posterior pancreaticoduodenal
Posterior proximal mesentery
Superior to the head and body of pancreas
Retroperitoneal
Splenic (lienal), NOS
Gastroepiploic (gastro-omental), left
Splenic artery
Splenic hilum
Suprapancreatic
Superior mesenteric
Regional lymph node(s), NOS

Stated as N1 with no other information on regional lymph nodes
N1 N1 RN RN
800 Lymph nodes, NOS N1 N1 RN RN
999 Unknown; regional lymph nodes not stated
Regional lymph nodes cannot be assessed
Not documented in patient record
NX NX U U