CS Lymph Nodes

This input is used for staging

Notes

**Note 1**: Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in CS Mets at DX. **Note 2**: Para-aortic and pericaval lymph nodes are classified as regional nodes for AJCC 7 staging. They are now coded in CS Lymph Nodes.

Default

999

NAACCR Item

NAACCR #2830
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
150 Regional lymph nodes:
Cystic duct (node of the neck of the gallbladder) (Calot's node)
Hepatic
Hepatic artery
Hilar (in the hepatoduodenal ligament)
Node of the foramen of Winslow (omental) (epiploic)
Pancreaticoduodenal
Pericholedochal (node around common bile duct)
Periduodenal
Peripancreatic (near head of pancreas only)
Periportal
Porta hepatis (portal) (hilar) (in hilus of liver)
Portal vein
Regional lymph node(s), NOS
N1 N1 RN RN
200 Stated as N1 with no other information on lymph nodes N1 N1 RN RN
350 Regional lymph nodes:
Celiac artery
Superior mesenteric artery
Superior mesenteric vein
N2 N1 D D
400 Regional lymph nodes:
Para-aortic
Pericaval
N2 N0 D D
450 400 + (150 and/or 350)

Any regional lymph node(s) as listed in code 150 or 350 + para-aortic and/or pericaval lymph node(s)
N2 N1 D D
750 Stated as N2 with no other information on lymph nodes N2 N1 D D
800 Lymph nodes, NOS N1 N1 RN RN
999 Unknown; regional lymph nodes not stated
Regional lymph node(s) cannot be assessed
Not documented in patient record
NX NX U U