Collaborative Stage

Collaborative Stage for TNM 7 - Revised 10/21/2010 [ Schema ]

CS Lymph Nodes

Note 1: Code only regional nodes and nodes, NOS in this field. Distant nodes are coded in CS Mets at DX.

Code	Description	TNM 7 Map	TNM 6 Map	SS77 Map	SS2000 Map
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