CS Lymph Nodes: Stomach

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

Code	Description	TNM	SS77	SS2000
00	None; no regional lymph node involvement	N0	NONE	NONE
10	Regional lymph node(s): Left gastric (superior gastric), NOS: Cardial Cardioesophageal Gastric, left Gastropancreatic, left Lesser curvature Lesser omental Paracardial Pancreaticosplenic (pancreaticolienal) Pancreatoduodenal Perigastric, NOS Peripancreatic Right gastric (inferior gastric), NOS: Gastrocolic Gastroduodenal Gastroepiploic (gastro-omental), right or NOS Gastrohepatic Greater curvature Greater omental Pyloric, NOS Infrapyloric (subpyloric) Suprapyloric Splenic (lienal), NOS: Gastroepiploic (gastro-omental), left Splenic hilar Nodule(s) in perigastric fat	*	RN	RN
11	Regional lymph node(s): Porta hepatis (portal) (periportal) (hilar) (in hilus of liver)	N1	D	RN
40	Celiac Hepatic (excluding gastrohepatic, [see code 10] and hepatoduodenal [see code 42])	*	D	RN
42	For lesser curvature only: Hepatoduodenal	*	D	D
50	Regional lymph node(s), NOS	N1	D	D
80	Lymph nodes, NOS	*	RN	RN
99	Unknown; not stated Regional lymph node(s) cannot be assessed Not documented in patient record	NX	U	U

* For codes 10-80 ONLY, the N category is assigned based on the value of the Reg LN Pos using the Lymph Nodes
Number Positive table for this site.