Collaborative Stage

Collaborative Stage for TNM 7 - Revised 09/30/2009 [ 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.
Note 2: Regional nodes include unilateral, bilateral or contralateral involvement of named node(s).

Code	Description	TNM 7 Map	TNM 6 Map	SS77 Map	SS2000 Map
000	No regional lymph node involvement	N0	N0	NONE	NONE
100	Single regional lymph node: Aortic, NOS: Lateral (lumbar) Para-aortic Periaortic Preaortic Retroaortic Renal hilar Retroperitoneal, NOS Regional lymph node(s), NOS	N1	N1	RN	RN
110	Single regional lymph node: Interaortocaval Pericaval, NOS Paracaval Precaval Retrocaval	N1	N1	D	RN
150	110 + 100 Single regional lymph node as specified in code 110 plus single regional lymph node as specified in code 100	N1	N2	D	RN
400	More than one regional lymph node other than as defined in code 150	N1	N2	D	RN
700	Regional lymph node(s), NOS 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; not stated Regional lymph nodes cannot be assessed Not documented in patient record	NX	NX	U	U