Collaborative Stage

Collaborative Stage for TNM 7 - Revised 12/04/2009 [ Schema ]

CS Lymph Nodes

Note 1: Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in the field 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 Leum Cecal (anterior, posterior or retrocecal)	N1	N1	RN	RN
200	Regional lymph node(s) for duodenum primaries only: Pericholodochal (common bile duct) Superior mesenteric (See code 11 in CS Mets at DX for other lymph nodes of small intestine)	N1	N1	D	RN
300	Regional lymph node(s), NOS	N1	N1	RN	RN
400	Stated as N1, NOS	N1	N1	RN	RN
800	Lymph nodes, NOS	N1	N1	RN	RN
999	Unknown; not stated Regional lymph nodes cannot be assessed Not documented in patient record	NX	NX	U	U