Collaborative Stage Data Set - Revised 08/07/2013 FINAL

BileDuctsPerihilar

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: Para-aortic and pericaval lymph nodes are classified as regional nodes for AJCC 7 staging. They are now coded in CS Lymph Nodes.

Code	Description	TNM 7 Map	TNM 6 Map	SS77 Map	SS2000 Map
000	No regional lymph node involvement	N0	N0	NONE	NONE
150	Regional lymph nodes: Cystic duct (node of the neck of the gallbladder) (Calot's node) Hepatic Hepatic artery Hilar (in the hepatoduodenal ligament) Node of the foramen of Winslow (omental) (epiploic) Pancreaticoduodenal Pericholedochal (node around common bile duct) Periduodenal Peripancreatic (near head of pancreas only) Periportal Porta hepatis (portal) (hilar) (in hilus of liver) Portal vein Regional lymph node(s), NOS	N1	N1	RN	RN
200	Stated as N1 with no other information on lymph nodes	N1	N1	RN	RN
350	Regional lymph nodes: Celiac artery Superior mesenteric artery Superior mesenteric vein	N2	N1	D	D
400	Regional lymph nodes: Para-aortic Pericaval	N2	N0	D	D
450	400 + (150 and/or 350) Any regional lymph node(s) as listed in code 150 or 350 + para-aortic and/or pericaval lymph node(s)	N2	N1	D	D
750	Stated as N2 with no other information on lymph nodes	N2	N1	D	D
800	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