Collaborative Stage Data Set - Revised 05/26/2013 FINAL

Liver

CS Lymph Nodes

Note 1: Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in CS Mets at DX.
Note 2: Inferior phrenic nodes are classified as regional nodes for AJCC 7 staging.

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 nodes: Hepatic, NOS: Hepatic artery Hepatic pedicle Inferior vena cava Porta hepatis (hilar) (in hilus of liver) Hepatoduodenal ligament Periportal Portal vein Regional lymph node(s), NOS	N1	N1	RN	RN
200	Inferior phrenic nodes	N1	N0	D	D
300	200 + 100	N1	N1	D	D
350	Stated as N1 with no other information on regional lymph nodes	N1	N1	RN	RN
800	OBSOLETE DATA RETAINED AND REVIEWED V0203 See codes 350, 805 Lymph nodes, NOS Stated as N1 [NOS]	N1	N1	RN	RN
805	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	NX	U	U