CS Lymph Nodes

This input is used in derivation

Notes

**Note 1**: Code only regional nodes and nodes, NOS in this field. Distant 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 N0 NONE NONE
100 Regional lymph node(s):
Duodenum:
Duodenal
Gastroduodenal
Hepatic
Infrapyloric (subpyloric)
Pancreaticoduodenal
Pyloric
Jejunum or ileum:
Superior mesenteric
Mesenteric, NOS
Ileocolic for terminal ileum
Cecal (anterior, posterior, or retrocecal)		 N1 N1 RN RN
200 Regional lymph node(s) for duodenum primaries only:
Pericholedochal (common bile duct)
Superior mesenteric		 N1 N1 D RN
300 Regional lymph node(s), NOS N1 N1 RN RN
400 Stated as N1with 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