Collaborative Stage for TNM 7 - Revised 09/23/2009 [ Schema ]
Code | Description | TNM 7 Map | TNM 6 Map | SS77 Map | SS2000 Map |
000 | None; no regional lymph node involvement | N0 | NA | NONE | NONE |
100 | Regional lymph nodes: 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 Superior mesenteric Nodule(s) in perigastric fat | N1 | NA | RN | RN |
400 | Celiac Hepatic (excluding gastrohepatic, [see code 100] and hepatoduodenal [see code 420]) | N1 | NA | D | RN |
420 | For lesser curvature only: Hepatoduodenal | N1 | NA | D | D |
500 | Regional lymph nodes, NOS | N1 | NA | RN | RN |
600 | Stated as N1, NOS | N1 | NA | RN | RN |
650 | OBSOLETE DATA RETAINED V0200 Stated as N2, NOS | ERROR | NA | RN | RN |
700 | OBSOLETE DATA RETAINED V0200 Stated as N3, NOS | ERROR | NA | RN | RN |
800 | Lymph nodes, NOS | N1 | NA | RN | RN |
999 | Unknown; not stated Regional lymph node(s) cannot be assessed Not documented in patient record | N0 | NA | U | U |