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**: Celiac nodes are classified as distant nodes for AJCC 7 staging. These nodes are coded in CS Mets at DX.

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 Lymph Nodes Mets at DX AJCC6 NONE NONE
150 Regional lymph nodes:
Cystic duct (node of the neck of the gallbladder) (Calot's node)
Hepatic artery
Hilar (in the hepatoduodenal ligament)
Node of the foramen of Winslow (omental) (epiploic)
Pancreaticoduodenal:
Anterior
Posterior
Pericholedochal (node along common bile duct)
Periduodenal
Peripancreatic (near head of pancreas only)
Periportal
Porta hepatis (portal) (hilar) (in hilus of liver)
Regional lymph nodes, NOS
N1 N1 RN RN
350 OBSOLETE DATA RETAINED AND REVIEWED V0203
See codes 000, 150, and 355, and CS Mets at DX codes 07, 20, and 45

Regional lymph nodes:
Celiac
Superior mesenteric
N1 N1 D D
355 Regional lymph nodes
Superior mesenteric artery
Superior mesenteric vein
N1 N1 D D
500 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 node(s) cannot be assessed
Not documented in patient record
NX Lymph Nodes Mets at DX AJCC6 U U
- For CS Lymph Nodes code 000 and 999, the N category for AJCC 6 staging category is determined by the value in CS Mets at DX as shown in the Lymph Nodes Mets at DX AJCC 6 Table for this schema.