Collaborative Stage for TNM 7 - Revised 05/15/2009 [ Schema ]
| Code | Description | TNM 7th Map | TNM 6th Map | SS77 Map | SS2000 Map |
| 000 | No regional lymph node involvement | N0 | N0 | NONE | NONE |
| 100 | Regional lymph node(s): Hepatic Lateral aortic (lumbar) Pancreaticosplenic (pancreaticolienal) Peripancreatic, NOS: Anterior, NOS: Anterior pancreaticoduodenal Anterior proximal mesenteric Pyloric Inferior to the head and body of pancreas Posterior, NOS: Pericholedochal (common bile duct) Posterior pancreaticoduodenal Posterior proximal mesentery Superior to the head and body of pancreas Retroperitoneal Splenic (lienal) Gastroepiploic Splenic hilum Suprapancreatic Superior mesenteric Regional lymph node(s), NOS Stated as N1, NOS | N1 | N1 | RN | RN |
| 200 | Regional lymph node(s): Celiac Infrapyloric (subpyloric) | N1 | N1 | D | D |
| 800 | Lymph nodes, NOS | N1 | N1 | RN | RN |
| 999 | Unknown; not stated Regional lymph node(s) cannot be assessed Not documented in patient record | NX | NX | U | U |