Collaborative Stage for TNM 7 - Revised 09/01/2009 [ Schema ]
Code | Description | TNM 7 Map | TNM 6 Map | SS77 Map | SS2000 Map |
000 | No regional lymph node involvement | N0 | NA | 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 | NA | 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 | NA | D | RN |
300 | Regional lymph node(s), NOS | N1 | NA | RN | RN |
400 | Stated as N1, NOS | N1 | NA | RN | RN |
800 | Lymph nodes, NOS | N1 | NA | RN | RN |
999 | Unknown; not stated Regional lymph nodes cannot be assessed Not documented in patient record | N0 | NA | U | U |